Please answer the given financial question based on the context.
Context: stock performance graph this performance graph shall not be deemed 201cfiled 201d for purposes of section 18 of the securities exchange act of 1934 , as amended ( the 201cexchange act 201d ) or otherwise subject to the liabilities under that section and shall not be deemed to be incorporated by reference into any filing of tractor supply company under the securities act of 1933 , as amended , or the exchange act . the following graph compares the cumulative total stockholder return on our common stock from december 28 , 2013 to december 29 , 2018 ( the company 2019s fiscal year-end ) , with the cumulative total returns of the s&p 500 index and the s&p retail index over the same period . the comparison assumes that $ 100 was invested on december 28 , 2013 , in our common stock and in each of the foregoing indices and in each case assumes reinvestment of dividends . the historical stock price performance shown on this graph is not indicative of future performance. .
||12/28/2013|12/27/2014|12/26/2015|12/31/2016|12/30/2017|12/29/2018|
|tractor supply company|$ 100.00|$ 104.11|$ 115.45|$ 103.33|$ 103.67|$ 117.18|
|s&p 500|$ 100.00|$ 115.76|$ 116.64|$ 129.55|$ 157.84|$ 149.63|
|s&p retail index|$ 100.00|$ 111.18|$ 140.22|$ 148.53|$ 193.68|$ 217.01|
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Question: how much of a greater return , in percentage , was gained in the s&p retail index compared to the tractor supply company?


Answer: The answer is:0.9983