Financial report context:
page 31 of 98 additional details about the company 2019s receivables sales agreement and debt are available in notes 6 and 12 , respectively , accompanying the consolidated financial statements within item 8 of this report . other liquidity items cash payments required for long-term debt maturities , rental payments under noncancellable operating leases and purchase obligations in effect at december 31 , 2006 , are summarized in the following table: .

Financial table:
( $ in millions ): long-term debt; payments due by period ( a ) total: $ 2301.6; payments due by period ( a ) less than1 year: $ 38.5; payments due by period ( a ) 1-3 years: $ 278.4; payments due by period ( a ) 3-5 years: $ 972.9; payments due by period ( a ) more than 5 years: $ 1011.8
( $ in millions ): capital lease obligations; payments due by period ( a ) total: 7.6; payments due by period ( a ) less than1 year: 2.7; payments due by period ( a ) 1-3 years: 2.4; payments due by period ( a ) 3-5 years: 0.4; payments due by period ( a ) more than 5 years: 2.1
( $ in millions ): interest payments on long-term debt ( b ); payments due by period ( a ) total: 826.5; payments due by period ( a ) less than1 year: 138.8; payments due by period ( a ) 1-3 years: 259.4; payments due by period ( a ) 3-5 years: 204.8; payments due by period ( a ) more than 5 years: 223.5
( $ in millions ): operating leases; payments due by period ( a ) total: 185.9; payments due by period ( a ) less than1 year: 45.0; payments due by period ( a ) 1-3 years: 58.5; payments due by period ( a ) 3-5 years: 38.7; payments due by period ( a ) more than 5 years: 43.7
( $ in millions ): purchase obligations ( c ); payments due by period ( a ) total: 7450.4; payments due by period ( a ) less than1 year: 2682.5; payments due by period ( a ) 1-3 years: 3169.4; payments due by period ( a ) 3-5 years: 1524.6; payments due by period ( a ) more than 5 years: 73.9
( $ in millions ): total payments on contractual obligations; payments due by period ( a ) total: $ 10772.0; payments due by period ( a ) less than1 year: $ 2907.5; payments due by period ( a ) 1-3 years: $ 3768.1; payments due by period ( a ) 3-5 years: $ 2741.4; payments due by period ( a ) more than 5 years: $ 1355.0

Additional report context:
total payments on contractual obligations $ 10772.0 $ 2907.5 $ 3768.1 $ 2741.4 $ 1355.0 ( a ) amounts reported in local currencies have been translated at the year-end exchange rates . ( b ) for variable rate facilities , amounts are based on interest rates in effect at year end . ( c ) the company 2019s purchase obligations include contracted amounts for aluminum , steel , plastic resin and other direct materials . also included are commitments for purchases of natural gas and electricity , aerospace and technologies contracts and other less significant items . in cases where variable prices and/or usage are involved , management 2019s best estimates have been used . depending on the circumstances , early termination of the contracts may not result in penalties and , therefore , actual payments could vary significantly . contributions to the company 2019s defined benefit pension plans , not including the unfunded german plans , are expected to be $ 69.1 million in 2007 . this estimate may change based on plan asset performance . benefit payments related to these plans are expected to be $ 62.6 million , $ 65.1 million , $ 68.9 million , $ 73.9 million and $ 75.1 million for the years ending december 31 , 2007 through 2011 , respectively , and $ 436.7 million combined for 2012 through 2016 . payments to participants in the unfunded german plans are expected to be $ 24.6 million , $ 25.1 million , $ 25.5 million , $ 25.9 million and $ 26.1 million in the years 2007 through 2011 , respectively , and a total of $ 136.6 million thereafter . we reduced our share repurchase program in 2006 to $ 45.7 million , net of issuances , compared to $ 358.1 million net repurchases in 2005 and $ 50 million in 2004 . the net repurchases in 2006 did not include a forward contract entered into in december 2006 for the repurchase of 1200000 shares . the contract was settled on january 5 , 2007 , for $ 51.9 million in cash . in 2007 we expect to repurchase approximately $ 175 million , net of issuances , and to reduce debt levels by more than $ 125 million . annual cash dividends paid on common stock were 40 cents per share in 2006 and 2005 and 35 cents per share in 2004 . total dividends paid were $ 41 million in 2006 , $ 42.5 million in 2005 and $ 38.9 million in 2004. .

Question: what percentage of total payments on contractual obligations are due to long-term debt at december 301 , 2006?
Answer: 21%