pre_text: state street corporation | 52 shareholder return performance presentation the graph presented below compares the cumulative total shareholder return on state street's common stock to the cumulative total return of the s&p 500 index , the s&p financial index and the kbw bank index over a five-year period . the cumulative total shareholder return assumes the investment of $ 100 in state street common stock and in each index on december 31 , 2012 . it also assumes reinvestment of common stock dividends . the s&p financial index is a publicly available , capitalization-weighted index , comprised of 67 of the standard & poor 2019s 500 companies , representing 27 diversified financial services companies , 23 insurance companies , and 17 banking companies . the kbw bank index is a modified cap-weighted index consisting of 24 exchange-listed stocks , representing national money center banks and leading regional institutions. .
post_text: .
table: 2012 2013 2014 2015 2016 2017
table: State Street Corporation $100 $159 $172 $148 $178 $227
table: S&P 500 Index 100 132 151 153 171 208
table: S&P Financial Index 100 136 156 154 189 230
table: KBW Bank Index 100 138 151 151 195 231
question: Analyse this data from a financial earnings document. what percent returns did shareholders of state street corporation