Please answer the given financial question based on the context.
Context: table of contents the following performance graph is not 201csoliciting material , 201d is not deemed filed with the sec , and is not to be incorporated by reference into any of valero 2019s filings under the securities act of 1933 or the securities exchange act of 1934 , as amended , respectively . this performance graph and the related textual information are based on historical data and are not indicative of future performance . the following line graph compares the cumulative total return 1 on an investment in our common stock against the cumulative total return of the s&p 500 composite index and an index of peer companies ( that we selected ) for the five-year period commencing december 31 , 2008 and ending december 31 , 2013 . our peer group comprises the following 11 companies : alon usa energy , inc. ; bp plc ; cvr energy , inc. ; delek us holdings , inc . ( dk ) ; hollyfrontier corporation ; marathon petroleum corporation ; pbf energy inc . ( pbf ) ; phillips 66 ; royal dutch shell plc ; tesoro corporation ; and western refining , inc . our peer group previously included hess corporation , but it has exited the refining business , and was replaced in our peer group by dk and pbf who are also engaged in refining operations . comparison of 5 year cumulative total return1 among valero energy corporation , the s&p 500 index , old peer group , and new peer group .
||12/2008|12/2009|12/2010|12/2011|12/2012|12/2013|
|valero common stock|$ 100.00|$ 79.77|$ 111.31|$ 102.57|$ 170.45|$ 281.24|
|s&p 500|100.00|126.46|145.51|148.59|172.37|228.19|
|old peer group|100.00|126.98|122.17|127.90|138.09|170.45|
|new peer group|100.00|127.95|120.42|129.69|136.92|166.57|
____________ 1 assumes that an investment in valero common stock and each index was $ 100 on december 31 , 2008 . 201ccumulative total return 201d is based on share price appreciation plus reinvestment of dividends from december 31 , 2008 through december 31 , 2013. .
Question: what was the percentage growth of the valero common stock from 2009 to 2011


Answer: The answer is:0.39539