{"pre_text": ["net cash used by investing activities in 2013 also included $ 38.2 million for the may 13 , 2013 acquisition of challenger .", "see note 2 to the consolidated financial statements for information on the challenger acquisition .", "capital expenditures in 2013 , 2012 and 2011 totaled $ 70.6 million , $ 79.4 million and $ 61.2 million , respectively .", "capital expenditures in 2013 included continued investments related to the company 2019s execution of its strategic value creation processes around safety , quality , customer connection , innovation and rci initiatives .", "capital expenditures in all three years included spending to support the company 2019s strategic growth initiatives .", "in 2013 , the company continued to invest in new product , efficiency , safety and cost reduction initiatives to expand and improve its manufacturing capabilities worldwide .", "in 2012 , the company completed the construction of a fourth factory in kunshan , china , following the 2011 construction of a new engineering and research and development facility in kunshan .", "capital expenditures in all three years also included investments , particularly in the united states , in new product , efficiency , safety and cost reduction initiatives , as well as investments in new production and machine tooling to enhance manufacturing operations , and ongoing replacements of manufacturing and distribution equipment .", "capital spending in all three years also included spending for the replacement and enhancement of the company 2019s global enterprise resource planning ( erp ) management information systems , as well as spending to enhance the company 2019s corporate headquarters and research and development facilities in kenosha , wisconsin .", "snap-on believes that its cash generated from operations , as well as its available cash on hand and funds available from its credit facilities will be sufficient to fund the company 2019s capital expenditure requirements in 2014 .", "financing activities net cash used by financing activities was $ 137.8 million in 2013 , $ 127.0 million in 2012 and $ 293.7 million in 2011 .", "net cash used by financing activities in 2011 reflects the august 2011 repayment of $ 200 million of unsecured 6.25% ( 6.25 % ) notes upon maturity with available cash .", "proceeds from stock purchase and option plan exercises totaled $ 29.2 million in 2013 , $ 46.8 million in 2012 and $ 25.7 million in 2011 .", "snap-on has undertaken stock repurchases from time to time to offset dilution created by shares issued for employee and franchisee stock purchase plans , stock options and other corporate purposes .", "in 2013 , snap-on repurchased 926000 shares of its common stock for $ 82.6 million under its previously announced share repurchase programs .", "as of 2013 year end , snap-on had remaining availability to repurchase up to an additional $ 191.7 million in common stock pursuant to its board of directors 2019 ( the 201cboard 201d ) authorizations .", "the purchase of snap-on common stock is at the company 2019s discretion , subject to prevailing financial and market conditions .", "snap-on repurchased 1180000 shares of its common stock for $ 78.1 million in 2012 ; snap-on repurchased 628000 shares of its common stock for $ 37.4 million in 2011 .", "snap-on believes that its cash generated from operations , available cash on hand , and funds available from its credit facilities , will be sufficient to fund the company 2019s share repurchases , if any , in 2014 .", "snap-on has paid consecutive quarterly cash dividends , without interruption or reduction , since 1939 .", "cash dividends paid in 2013 , 2012 and 2011 totaled $ 92.0 million , $ 81.5 million and $ 76.7 million , respectively .", "on november 8 , 2013 , the company announced that its board increased the quarterly cash dividend by 15.8% ( 15.8 % ) to $ 0.44 per share ( $ 1.76 per share per year ) .", "quarterly dividends declared in 2013 were $ 0.44 per share in the fourth quarter and $ 0.38 per share in the first three quarters ( $ 1.58 per share for the year ) .", "quarterly dividends declared in 2012 were $ 0.38 per share in the fourth quarter and $ 0.34 per share in the first three quarters ( $ 1.40 per share for the year ) .", "quarterly dividends in 2011 were $ 0.34 per share in the fourth quarter and $ 0.32 per share in the first three quarters ( $ 1.30 per share for the year ) . ."], "post_text": ["cash dividends paid as a percent of prior-year retained earnings 4.5% ( 4.5 % ) 4.4% ( 4.4 % ) snap-on believes that its cash generated from operations , available cash on hand and funds available from its credit facilities will be sufficient to pay dividends in 2014 .", "off-balance-sheet arrangements except as included below in the section labeled 201ccontractual obligations and commitments 201d and note 15 to the consolidated financial statements , the company had no off-balance-sheet arrangements as of 2013 year end .", "2013 annual report 49 ."], "table": [["", "2013", "2012", "2011"], ["cash dividends paid per common share", "$ 1.58", "$ 1.40", "$ 1.30"], ["cash dividends paid as a percent of prior-year retained earnings", "4.5% ( 4.5 % )", "4.4% ( 4.4 % )", "4.7% ( 4.7 % )"]], "table_ori": [["", "2013", "2012", "2011"], ["Cash dividends paid per common share", "$1.58", "$1.40", "$1.30"], ["Cash dividends paid as a percent of prior-year retained earnings", "4.5%", "4.4%", "4.7%"]]}

Question: what was the average cash dividends paid per common share from 2011 to 2013
Evidence:
table_1: the cash dividends paid per common share of 2013 is $ 1.58 ; the cash dividends paid per common share of 2012 is $ 1.40 ; the cash dividends paid per common share of 2011 is $ 1.30 ;
Program: add(1.58, 1.40), add(1.30, #0), add(#1, const_3), divide(#2, const_2)
Answer:
str_answer: 1.426
exe_answer: 3.64