Please answer the given financial question based on the context.
Context: part a0ii item a05 . market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities our common stock is listed on the new york stock exchange under the symbol 201ctfx . 201d as of february 19 , 2019 , we had 473 holders of record of our common stock . a substantially greater number of holders of our common stock are beneficial owners whose shares are held by brokers and other financial institutions for the accounts of beneficial owners . stock performance graph the following graph provides a comparison of five year cumulative total stockholder returns of teleflex common stock , the standard a0& poor 2019s ( s&p ) 500 stock index and the s&p 500 healthcare equipment & supply index . the annual changes for the five-year period shown on the graph are based on the assumption that $ 100 had been invested in teleflex common stock and each index on december a031 , 2013 and that all dividends were reinvested . market performance .
|company / index|2013|2014|2015|2016|2017|2018|
|teleflex incorporated|100|124|143|177|275|288|
|s&p 500 index|100|114|115|129|157|150|
|s&p 500 healthcare equipment & supply index|100|126|134|142|186|213|
s&p 500 healthcare equipment & supply index 100 126 134 142 186 213 .
Question: what is the roi of an investment in teleflex incorporated from 2014 to 2015?


Answer: The answer is:0.15323