pre_text: the aes corporation notes to consolidated financial statements 2014 ( continued ) december 31 , 2010 , 2009 , and 2008 ( 3 ) multilateral loans include loans funded and guaranteed by bilaterals , multilaterals , development banks and other similar institutions . ( 4 ) non-recourse debt of $ 708 million as of december 31 , 2009 was excluded from non-recourse debt and included in current and long-term liabilities of held for sale and discontinued businesses in the accompanying consolidated balance sheets . non-recourse debt as of december 31 , 2010 is scheduled to reach maturity as set forth in the table below : december 31 , annual maturities ( in millions ) .
post_text: as of december 31 , 2010 , aes subsidiaries with facilities under construction had a total of approximately $ 432 million of committed but unused credit facilities available to fund construction and other related costs . excluding these facilities under construction , aes subsidiaries had approximately $ 893 million in a number of available but unused committed revolving credit lines to support their working capital , debt service reserves and other business needs . these credit lines can be used in one or more of the following ways : solely for borrowings ; solely for letters of credit ; or a combination of these uses . the weighted average interest rate on borrowings from these facilities was 3.24% ( 3.24 % ) at december 31 , 2010 . non-recourse debt covenants , restrictions and defaults the terms of the company 2019s non-recourse debt include certain financial and non-financial covenants . these covenants are limited to subsidiary activity and vary among the subsidiaries . these covenants may include but are not limited to maintenance of certain reserves , minimum levels of working capital and limitations on incurring additional indebtedness . compliance with certain covenants may not be objectively determinable . as of december 31 , 2010 and 2009 , approximately $ 803 million and $ 653 million , respectively , of restricted cash was maintained in accordance with certain covenants of the non-recourse debt agreements , and these amounts were included within 201crestricted cash 201d and 201cdebt service reserves and other deposits 201d in the accompanying consolidated balance sheets . various lender and governmental provisions restrict the ability of certain of the company 2019s subsidiaries to transfer their net assets to the parent company . such restricted net assets of subsidiaries amounted to approximately $ 5.4 billion at december 31 , 2010. .
table: December 31, Annual Maturities  (in millions)
table: 2011 $2,577
table: 2012 657
table: 2013 953
table: 2014 1,839
table: 2015 1,138
table: Thereafter 7,957
table: Total non-recourse debt $15,121
question: Analyse this data from a financial earnings document. what percentage of total non-recourse debt as of december 31 , 2010 is due in 2013?