pre_text: stock performance graph : the graph below shows the cumulative total shareholder return assuming the investment of $ 100 , on december 31 , 2013 , and the reinvestment of dividends thereafter , if any , in the company 2019s common stock versus the standard and poor 2019s s&p 500 retail index ( 201cs&p 500 retail index 201d ) and the standard and poor 2019s s&p 500 index ( 201cs&p 500 201d ) . .
post_text: .
table: December 31,
table: Company/Index 2013 2014 2015 2016 2017 2018
table: O’Reilly Automotive, Inc. $100 $150 $197 $216 $187 $268
table: S&P 500 Retail Index 100 110 137 143 184 208
table: S&P 500 $100 $111 $111 $121 $145 $136
question: Analyse this data from a financial earnings document. what is the roi of an investment in s&p500 from 2013 to 2017?