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.

Text: net unfunded credit commitments . <table class='wikitable'><tr><td>1</td><td>december 31 - in millions</td><td>2007</td><td>2006</td></tr><tr><td>2</td><td>commercial</td><td>$ 39171</td><td>$ 31009</td></tr><tr><td>3</td><td>consumer</td><td>10875</td><td>10495</td></tr><tr><td>4</td><td>commercial real estate</td><td>2734</td><td>2752</td></tr><tr><td>5</td><td>other</td><td>567</td><td>579</td></tr><tr><td>6</td><td>total</td><td>$ 53347</td><td>$ 44835</td></tr></table> commitments to extend credit represent arrangements to lend funds subject to specified contractual conditions . at december 31 , 2007 , commercial commitments are reported net of $ 8.9 billion of participations , assignments and syndications , primarily to financial services companies . the comparable amount at december 31 , 2006 was $ 8.3 billion . commitments generally have fixed expiration dates , may require payment of a fee , and contain termination clauses in the event the customer 2019s credit quality deteriorates . based on our historical experience , most commitments expire unfunded , and therefore cash requirements are substantially less than the total commitment . consumer home equity lines of credit accounted for 80% ( 80 % ) of consumer unfunded credit commitments . unfunded credit commitments related to market street totaled $ 8.8 billion at december 31 , 2007 and $ 5.6 billion at december 31 , 2006 and are included in the preceding table primarily within the 201ccommercial 201d and 201cconsumer 201d categories . note 24 commitments and guarantees includes information regarding standby letters of credit and bankers 2019 acceptances . at december 31 , 2007 , the largest industry concentration was for general medical and surgical hospitals , which accounted for approximately 5% ( 5 % ) of the total letters of credit and bankers 2019 acceptances . at december 31 , 2007 , we pledged $ 1.6 billion of loans to the federal reserve bank ( 201cfrb 201d ) and $ 33.5 billion of loans to the federal home loan bank ( 201cfhlb 201d ) as collateral for the contingent ability to borrow , if necessary . certain directors and executive officers of pnc and its subsidiaries , as well as certain affiliated companies of these directors and officers , were customers of and had loans with subsidiary banks in the ordinary course of business . all such loans were on substantially the same terms , including interest rates and collateral , as those prevailing at the time for comparable transactions with other customers and did not involve more than a normal risk of collectibility or present other unfavorable features . the aggregate principal amounts of these loans were $ 13 million at december 31 , 2007 and $ 18 million at december 31 , 2006 . during 2007 , new loans of $ 48 million were funded and repayments totaled $ 53 million. .
Question: what was the total of commercial commitments net of participations , assignments and syndications , primarily to financial services companies in 2007, in billions?
Answer: 8.9
Question: and what was it in 2006, also in billions?
Answer: 8.3
Question: what was, then, the change over the year?
Answer: 0.6
Question: and in the last year of that period, what percentage of the consumer unfunded credit commitments did the consumer home equity lines of credit account for?
Answer: 0.8
Question: and what were those consumer unfunded credit commitments?

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