cgmhi has committed long-term financing facilities with unaffiliated banks .at december 31 , 2010 , cgmhi had drawn down the full $ 900 million available under these facilities , of which $ 150 million is guaranteed by citigroup .generally , a bank can terminate these facilities by giving cgmhi one-year prior notice .the company issues both fixed and variable rate debt in a range of currencies .it uses derivative contracts , primarily interest rate swaps , to effectively convert a portion of its fixed rate debt to variable rate debt and variable rate debt to fixed rate debt .the maturity structure of the derivatives generally corresponds to the maturity structure of the debt being hedged .in addition , the company uses other derivative contracts to manage the foreign exchange impact of certain debt issuances .at december 31 , 2010 , the company 2019s overall weighted average interest rate for long-term debt was 3.53% ( 3.53 % ) on a contractual basis and 2.78% ( 2.78 % ) including the effects of derivative contracts .aggregate annual maturities of long-term debt obligations ( based on final maturity dates ) including trust preferred securities are as follows : long-term debt at december 31 , 2010 and december 31 , 2009 includes $ 18131 million and $ 19345 million , respectively , of junior subordinated debt .the company formed statutory business trusts under the laws of the state of delaware .the trusts exist for the exclusive purposes of ( i ) issuing trust securities representing undivided beneficial interests in the assets of the trust ; ( ii ) investing the gross proceeds of the trust securities in junior subordinated deferrable interest debentures ( subordinated debentures ) of its parent ; and ( iii ) engaging in only those activities necessary or incidental thereto .upon approval from the federal reserve , citigroup has the right to redeem these securities .citigroup has contractually agreed not to redeem or purchase ( i ) the 6.50% ( 6.50 % ) enhanced trust preferred securities of citigroup capital xv before september 15 , 2056 , ( ii ) the 6.45% ( 6.45 % ) enhanced trust preferred securities of citigroup capital xvi before december 31 , 2046 , ( iii ) the 6.35% ( 6.35 % ) enhanced trust preferred securities of citigroup capital xvii before march 15 , 2057 , ( iv ) the 6.829% ( 6.829 % ) fixed rate/floating rate enhanced trust preferred securities of citigroup capital xviii before june 28 , 2047 , ( v ) the 7.250% ( 7.250 % ) enhanced trust preferred securities of citigroup capital xix before august 15 , 2047 , ( vi ) the 7.875% ( 7.875 % ) enhanced trust preferred securities of citigroup capital xx before december 15 , 2067 , and ( vii ) the 8.300% ( 8.300 % ) fixed rate/floating rate enhanced trust preferred securities of citigroup capital xxi before december 21 , 2067 , unless certain conditions , described in exhibit 4.03 to citigroup 2019s current report on form 8-k filed on september 18 , 2006 , in exhibit 4.02 to citigroup 2019s current report on form 8-k filed on november 28 , 2006 , in exhibit 4.02 to citigroup 2019s current report on form 8-k filed on march 8 , 2007 , in exhibit 4.02 to citigroup 2019s current report on form 8-k filed on july 2 , 2007 , in exhibit 4.02 to citigroup 2019s current report on form 8-k filed on august 17 , 2007 , in exhibit 4.2 to citigroup 2019s current report on form 8-k filed on november 27 , 2007 , and in exhibit 4.2 to citigroup 2019s current report on form 8-k filed on december 21 , 2007 , respectively , are met .these agreements are for the benefit of the holders of citigroup 2019s 6.00% ( 6.00 % ) junior subordinated deferrable interest debentures due 2034 .citigroup owns all of the voting securities of these subsidiary trusts .these subsidiary trusts have no assets , operations , revenues or cash flows other than those related to the issuance , administration , and repayment of the subsidiary trusts and the subsidiary trusts 2019 common securities .these subsidiary trusts 2019 obligations are fully and unconditionally guaranteed by citigroup. .
[['in millions of dollars', '2011', '2012', '2013', '2014', '2015', 'thereafter'], ['bank', '$ 35066', '$ 38280', '$ 8013', '$ 7620', '$ 6380', '$ 17875'], ['non-bank', '15213', '25950', '7858', '5187', '3416', '18381'], ['parent company', '21194', '30004', '21348', '19096', '12131', '88171'], ['total', '$ 71473', '$ 94234', '$ 37219', '$ 31903', '$ 21927', '$ 124427']]
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Question: what was the percentage increase in the bank subsidiary trusts 2019 obligations from 2011 to 2012
Answer: 9.2%