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: .

2003: ( in thousands ): ( in thousands )
$ 40549: -41317
2002: ( in thousands ): ( in thousands )
$ 40549: 18854
2001: ( in thousands ): ( in thousands )
$ 40549: 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. .

Questions:
in 2004, what was the net issuance of long-term debt?
and what was the decrease in net cash used by financing activities?
how much, then, is that net issuance as a percentage of this decrease?
in that same year, what was the payment for waterford lease obligation?
and what was it in 2003?
what was, then, the change over the year?

Answers:
98.0
404.4
24.2%
35.4
14.8
20.6