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 ) . .

2013: cash dividends paid per common share: 1.58
cash dividends paid as a percent of prior-year retained earnings: -4.5
2012: cash dividends paid per common share: 1.4
cash dividends paid as a percent of prior-year retained earnings: -4.4
2011: cash dividends paid per common share: 1.3
cash dividends paid as a percent of prior-year retained earnings: -4.7

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 .

Questions:
what was the difference in cash dividends paid per common share between 2012 and 2013?
and the growth rate?

Answers:
0.18
12.9%