Financial report context:
35% ( 35 % ) due primarily to certain undistributed foreign earnings for which no u.s . taxes are provided because such earnings are intended to be indefinitely reinvested outside the u.s . as of september 29 , 2012 , the company had deferred tax assets arising from deductible temporary differences , tax losses , and tax credits of $ 4.0 billion , and deferred tax liabilities of $ 14.9 billion . management believes it is more likely than not that forecasted income , including income that may be generated as a result of certain tax planning strategies , together with future reversals of existing taxable temporary differences , will be sufficient to fully recover the deferred tax assets . the company will continue to evaluate the realizability of deferred tax assets quarterly by assessing the need for and amount of a valuation allowance . the internal revenue service ( the 201cirs 201d ) has completed its field audit of the company 2019s federal income tax returns for the years 2004 through 2006 and proposed certain adjustments . the company has contested certain of these adjustments through the irs appeals office . the irs is currently examining the years 2007 through 2009 . all irs audit issues for years prior to 2004 have been resolved . in addition , the company is subject to audits by state , local , and foreign tax authorities . management believes that adequate provisions have been made for any adjustments that may result from tax examinations . however , the outcome of tax audits cannot be predicted with certainty . if any issues addressed in the company 2019s tax audits are resolved in a manner not consistent with management 2019s expectations , the company could be required to adjust its provision for income taxes in the period such resolution occurs . liquidity and capital resources the following table presents selected financial information and statistics as of and for the years ended september 29 , 2012 , september 24 , 2011 , and september 25 , 2010 ( in millions ) : .

Financial table:
2012: cash cash equivalents and marketable securities; 2011: $ 121251; 2010: $ 81570; column_4: $ 51011
2012: accounts receivable net; 2011: $ 10930; 2010: $ 5369; column_4: $ 5510
2012: inventories; 2011: $ 791; 2010: $ 776; column_4: $ 1051
2012: working capital; 2011: $ 19111; 2010: $ 17018; column_4: $ 20956
2012: annual operating cash flow; 2011: $ 50856; 2010: $ 37529; column_4: $ 18595

Additional report context:
as of september 29 , 2012 , the company had $ 121.3 billion in cash , cash equivalents and marketable securities , an increase of $ 39.7 billion or 49% ( 49 % ) from september 24 , 2011 . the principal components of this net increase was the cash generated by operating activities of $ 50.9 billion , which was partially offset by payments for acquisition of property , plant and equipment of $ 8.3 billion , payments for acquisition of intangible assets of $ 1.1 billion and payments of dividends and dividend equivalent rights of $ 2.5 billion . the company 2019s marketable securities investment portfolio is invested primarily in highly-rated securities and its investment policy generally limits the amount of credit exposure to any one issuer . the policy requires investments generally to be investment grade with the objective of minimizing the potential risk of principal loss . as of september 29 , 2012 and september 24 , 2011 , $ 82.6 billion and $ 54.3 billion , respectively , of the company 2019s cash , cash equivalents and marketable securities were held by foreign subsidiaries and are generally based in u.s . dollar-denominated holdings . amounts held by foreign subsidiaries are generally subject to u.s . income taxation on repatriation to the u.s . the company believes its existing balances of cash , cash equivalents and marketable securities will be sufficient to satisfy its working capital needs , capital asset purchases , outstanding commitments , common stock repurchases , dividends on its common stock , and other liquidity requirements associated with its existing operations over the next 12 months . capital assets the company 2019s capital expenditures were $ 10.3 billion during 2012 , consisting of $ 865 million for retail store facilities and $ 9.5 billion for other capital expenditures , including product tooling and manufacturing process .

Question: what was the increase in annual operating cash flow between 2010 and 2012?
Answer: 32261