Please answer the given financial question based on the context.
Context: performance graph the following graph and table compares the cumulative five-year total return provided to shareholders on our class a common stock relative to the cumulative total returns of the s&p 500 index and our customized peer group . the peer group includes cboe holdings , inc. , intercontinentalexchange group , inc . and nasdaq , inc . an investment of $ 100 ( with reinvestment of all dividends ) is assumed to have been made in our class a common stock , in the peer group and the s&p 500 index on december 31 , 2012 , and its relative performance is tracked through december 31 , 2017 . comparison of 5 year cumulative total return* among cme group inc. , the s&p 500 index , and a peer group 12/12 12/13 12/14 12/15 12/16 cme group inc . s&p 500 peer group * $ 100 invested on 12/31/12 in stock or index , including reinvestment of dividends . fiscal year ending december 31 . copyright a9 2018 standard & poor 2019s , a division of s&p global . all rights reserved . the stock price performance included in this graph is not necessarily indicative of future stock price performance. .
||2013|2014|2015|2016|2017|
|cme group inc .|$ 164.01|$ 194.06|$ 208.95|$ 279.85|$ 370.32|
|s&p 500|132.39|150.51|152.59|170.84|208.14|
|peer group|176.61|187.48|219.99|249.31|323.23|
unregistered sales of equity securities during the past three years there have not been any unregistered sales by the company of equity securities. .
Question: in 2017 what was the ratio of the the cme group inc . stock perfomamce to the s&p


Answer: The answer is:1.77919