Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.


z i m m e r h o l d i n g s , i n c . a n d s u b s i d i a r i e s 2 0 0 2 f o r m 1 0 - k notes to consolidated financial statements ( continued ) rating as of december 31 , 2002 met such requirement . fair value commitments under the credit facility are subject to certain the carrying value of the company 2019s borrowings approxi- fees , including a facility and a utilization fee . mates fair value due to their short-term maturities and uncommitted credit facilities variable interest rates . the company has a $ 26 million uncommitted unsecured 8 . derivative financial instruments revolving line of credit . the purpose of this credit line is to support the working capital needs , letters of credit and the company is exposed to market risk due to changes overdraft needs for the company . the uncommitted credit in currency exchange rates . as a result , the company utilizes agreement contains customary affirmative and negative cove- foreign exchange forward contracts to offset the effect of nants and events of default , none of which are considered exchange rate fluctuations on anticipated foreign currency restrictive to the operation of the business . in addition , this transactions , primarily intercompany sales and purchases uncommitted credit agreement provides for unconditional expected to occur within the next twelve to twenty-four and irrevocable guarantees by the company . in the event the months . the company does not hold financial instruments company 2019s long-term debt ratings by both standard and for trading or speculative purposes . for derivatives which poor 2019s ratings services and moody 2019s investor 2019s service , inc. , qualify as hedges of future cash flows , the effective portion fall below bb- and ba3 , then the company may be required of changes in fair value is temporarily recorded in other to repay all outstanding and contingent obligations . the comprehensive income , then recognized in earnings when company 2019s credit rating as of december 31 , 2002 met such the hedged item affects earnings . the ineffective portion of requirement . this uncommitted credit line matures on a derivative 2019s change in fair value , if any , is reported in july 31 , 2003 . outstanding borrowings under this uncommit- earnings . the net amount recognized in earnings during the ted line of credit as of december 31 , 2002 were $ 0.5 million years ended december 31 , 2002 and 2001 , due to ineffective- with a weighted average interest rate of 6.35 percent . ness and amounts excluded from the assessment of hedge the company also has a $ 15 million uncommitted effectiveness , was not significant . revolving unsecured line of credit . the purpose of this line of the notional amounts of outstanding foreign exchange credit is to support short-term working capital needs of the forward contracts , principally japanese yen and the euro , company . the agreement for this uncommitted unsecured entered into with third parties , at december 31 , 2002 , was line of credit contains customary covenants , none of which $ 252 million . the fair value of derivative instruments recorded are considered restrictive to the operation of the business . in accrued liabilities at december 31 , 2002 , was $ 13.8 million , this uncommitted line matures on july 31 , 2003 . there were or $ 8.5 million net of taxes , which is deferred in other no borrowings under this uncommitted line of credit as of comprehensive income and is expected to be reclassified to december 31 , 2002 . earnings over the next two years , of which , $ 7.7 million , or the company has a $ 20 million uncommitted revolving $ 4.8 million , net of taxes , is expected to be reclassified to unsecured line of credit . the purpose of this line of credit is earnings over the next twelve months . to support short-term working capital needs of the company . the pricing is based upon money market rates . the agree- 9 . capital stock and earnings per share ment for this uncommitted unsecured line of credit contains as discussed in note 14 , all of the shares of company customary covenants , none of which are considered restrictive common stock were distributed at the distribution by the to the operation of the business . this uncommitted line former parent to its stockholders in the form of a dividend matures on july 31 , 2003 . there were no borrowings under of one share of company common stock , and the associated this uncommitted line of credit as of december 31 , 2002 . preferred stock purchase right , for every ten shares of the company was in compliance with all covenants common stock of the former parent . in july 2001 the board under all three of the uncommitted credit facilities as of of directors of the company adopted a rights agreement december 31 , 2002 . the company had no long-term debt intended to have anti-takeover effects . under this agreement as of december 31 , 2002 . one right attaches to each share of company common stock . outstanding debt as of december 31 , 2002 and 2001 , the rights will not become exercisable until the earlier of : consist of the following ( in millions ) : a ) the company learns that a person or group acquired , or 2002 2001 obtained the right to acquire , beneficial ownership of securi- credit facility $ 156.2 $ 358.2 ties representing more than 20 percent of the shares of uncommitted credit facilities 0.5 5.7 company common stock then outstanding , or b ) such date , if any , as may be designated by the board of directorstotal debt $ 156.7 $ 363.9 following the commencement of , or first public disclosure of the company paid $ 13.0 million and $ 4.6 million in an intention to commence , a tender offer or exchange offer interest charges during 2002 and 2001 , respectively. . <table class='wikitable'><tr><td>1</td><td>-</td><td>2002</td><td>2001</td></tr><tr><td>2</td><td>credit facility</td><td>$ 156.2</td><td>$ 358.2</td></tr><tr><td>3</td><td>uncommitted credit facilities</td><td>0.5</td><td>5.7</td></tr><tr><td>4</td><td>total debt</td><td>$ 156.7</td><td>$ 363.9</td></tr></table> z i m m e r h o l d i n g s , i n c . a n d s u b s i d i a r i e s 2 0 0 2 f o r m 1 0 - k notes to consolidated financial statements ( continued ) rating as of december 31 , 2002 met such requirement . fair value commitments under the credit facility are subject to certain the carrying value of the company 2019s borrowings approxi- fees , including a facility and a utilization fee . mates fair value due to their short-term maturities and uncommitted credit facilities variable interest rates . the company has a $ 26 million uncommitted unsecured 8 . derivative financial instruments revolving line of credit . the purpose of this credit line is to support the working capital needs , letters of credit and the company is exposed to market risk due to changes overdraft needs for the company . the uncommitted credit in currency exchange rates . as a result , the company utilizes agreement contains customary affirmative and negative cove- foreign exchange forward contracts to offset the effect of nants and events of default , none of which are considered exchange rate fluctuations on anticipated foreign currency restrictive to the operation of the business . in addition , this transactions , primarily intercompany sales and purchases uncommitted credit agreement provides for unconditional expected to occur within the next twelve to twenty-four and irrevocable guarantees by the company . in the event the months . the company does not hold financial instruments company 2019s long-term debt ratings by both standard and for trading or speculative purposes . for derivatives which poor 2019s ratings services and moody 2019s investor 2019s service , inc. , qualify as hedges of future cash flows , the effective portion fall below bb- and ba3 , then the company may be required of changes in fair value is temporarily recorded in other to repay all outstanding and contingent obligations . the comprehensive income , then recognized in earnings when company 2019s credit rating as of december 31 , 2002 met such the hedged item affects earnings . the ineffective portion of requirement . this uncommitted credit line matures on a derivative 2019s change in fair value , if any , is reported in july 31 , 2003 . outstanding borrowings under this uncommit- earnings . the net amount recognized in earnings during the ted line of credit as of december 31 , 2002 were $ 0.5 million years ended december 31 , 2002 and 2001 , due to ineffective- with a weighted average interest rate of 6.35 percent . ness and amounts excluded from the assessment of hedge the company also has a $ 15 million uncommitted effectiveness , was not significant . revolving unsecured line of credit . the purpose of this line of the notional amounts of outstanding foreign exchange credit is to support short-term working capital needs of the forward contracts , principally japanese yen and the euro , company . the agreement for this uncommitted unsecured entered into with third parties , at december 31 , 2002 , was line of credit contains customary covenants , none of which $ 252 million . the fair value of derivative instruments recorded are considered restrictive to the operation of the business . in accrued liabilities at december 31 , 2002 , was $ 13.8 million , this uncommitted line matures on july 31 , 2003 . there were or $ 8.5 million net of taxes , which is deferred in other no borrowings under this uncommitted line of credit as of comprehensive income and is expected to be reclassified to december 31 , 2002 . earnings over the next two years , of which , $ 7.7 million , or the company has a $ 20 million uncommitted revolving $ 4.8 million , net of taxes , is expected to be reclassified to unsecured line of credit . the purpose of this line of credit is earnings over the next twelve months . to support short-term working capital needs of the company . the pricing is based upon money market rates . the agree- 9 . capital stock and earnings per share ment for this uncommitted unsecured line of credit contains as discussed in note 14 , all of the shares of company customary covenants , none of which are considered restrictive common stock were distributed at the distribution by the to the operation of the business . this uncommitted line former parent to its stockholders in the form of a dividend matures on july 31 , 2003 . there were no borrowings under of one share of company common stock , and the associated this uncommitted line of credit as of december 31 , 2002 . preferred stock purchase right , for every ten shares of the company was in compliance with all covenants common stock of the former parent . in july 2001 the board under all three of the uncommitted credit facilities as of of directors of the company adopted a rights agreement december 31 , 2002 . the company had no long-term debt intended to have anti-takeover effects . under this agreement as of december 31 , 2002 . one right attaches to each share of company common stock . outstanding debt as of december 31 , 2002 and 2001 , the rights will not become exercisable until the earlier of : consist of the following ( in millions ) : a ) the company learns that a person or group acquired , or 2002 2001 obtained the right to acquire , beneficial ownership of securi- credit facility $ 156.2 $ 358.2 ties representing more than 20 percent of the shares of uncommitted credit facilities 0.5 5.7 company common stock then outstanding , or b ) such date , if any , as may be designated by the board of directorstotal debt $ 156.7 $ 363.9 following the commencement of , or first public disclosure of the company paid $ 13.0 million and $ 4.6 million in an intention to commence , a tender offer or exchange offer interest charges during 2002 and 2001 , respectively. .
Question: what was the total debt for 2002?
Answer: 156.7
Question: and in 2001?
Answer: 363.9
Question: combined, what was the total debt for these periods?

520.6