Please answer the given financial question based on the context.
Context: entergy louisiana , inc . management's financial discussion and analysis setting any of entergy louisiana's rates . therefore , to the extent entergy louisiana's use of the proceeds would ordinarily have reduced its rate base , no change in rate base shall be reflected for ratemaking purposes . the sec approval for additional return of equity capital is now expired . entergy louisiana's receivables from or ( payables to ) the money pool were as follows as of december 31 for each of the following years: .
|2004|2003|2002|2001|
|( in thousands )|( in thousands )|( in thousands )|( in thousands )|
|$ 40549|( $ 41317 )|$ 18854|$ 3812|
money pool activity used $ 81.9 million of entergy louisiana's operating cash flow in 2004 , provided $ 60.2 million in 2003 , and used $ 15.0 million in 2002 . see note 4 to the domestic utility companies and system energy financial statements for a description of the money pool . investing activities the decrease of $ 25.1 million in net cash used by investing activities in 2004 was primarily due to decreased spending on customer service projects , partially offset by increases in spending on transmission projects and fossil plant projects . the increase of $ 56.0 million in net cash used by investing activities in 2003 was primarily due to increased spending on customer service , transmission , and nuclear projects . financing activities the decrease of $ 404.4 million in net cash used by financing activities in 2004 was primarily due to : 2022 the net issuance of $ 98.0 million of long-term debt in 2004 compared to the retirement of $ 261.0 million in 2022 a principal payment of $ 14.8 million in 2004 for the waterford lease obligation compared to a principal payment of $ 35.4 million in 2003 ; and 2022 a decrease of $ 29.0 million in common stock dividends paid . the decrease of $ 105.5 million in net cash used by financing activities in 2003 was primarily due to : 2022 a decrease of $ 125.9 million in common stock dividends paid ; and 2022 the repurchase of $ 120 million of common stock from entergy corporation in 2002 . the decrease in net cash used in 2003 was partially offset by the following : 2022 the retirement in 2003 of $ 150 million of 8.5% ( 8.5 % ) series first mortgage bonds compared to the net retirement of $ 134.6 million of first mortgage bonds in 2002 ; and 2022 principal payments of $ 35.4 million in 2003 for the waterford 3 lease obligation compared to principal payments of $ 15.9 million in 2002 . see note 5 to the domestic utility companies and system energy financial statements for details of long-term debt . uses of capital entergy louisiana requires capital resources for : 2022 construction and other capital investments ; 2022 debt and preferred stock maturities ; 2022 working capital purposes , including the financing of fuel and purchased power costs ; and 2022 dividend and interest payments. .
Question: what is the difference of the payment for waterford lease obligation between 2003 and 2004?
Answer:
20.6