what is the roi of an investment in teleflex incorporated from 2014 to 2015?
Important information:
table_1: company / index the teleflex incorporated of 2013 is 100 ; the teleflex incorporated of 2014 is 124 ; the teleflex incorporated of 2015 is 143 ; the teleflex incorporated of 2016 is 177 ; the teleflex incorporated of 2017 is 275 ; the teleflex incorporated of 2018 is 288 ;
table_2: company / index the s&p 500 index of 2013 is 100 ; the s&p 500 index of 2014 is 114 ; the s&p 500 index of 2015 is 115 ; the s&p 500 index of 2016 is 129 ; the s&p 500 index of 2017 is 157 ; the s&p 500 index of 2018 is 150 ;
table_3: company / index the s&p 500 healthcare equipment & supply index of 2013 is 100 ; the s&p 500 healthcare equipment & supply index of 2014 is 126 ; the s&p 500 healthcare equipment & supply index of 2015 is 134 ; the s&p 500 healthcare equipment & supply index of 2016 is 142 ; the s&p 500 healthcare equipment & supply index of 2017 is 186 ; the s&p 500 healthcare equipment & supply index of 2018 is 213 ;
Reasoning Steps:
Step: minus2-1(143, 124) = 19
Step: divide2-2(#0, 124) = 15.3%
Program:
subtract(143, 124), divide(#0, 124)
Program (Nested):
divide(subtract(143, 124), 124)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
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 .
Table
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?
Important information:
table_1: company / index the teleflex incorporated of 2013 is 100 ; the teleflex incorporated of 2014 is 124 ; the teleflex incorporated of 2015 is 143 ; the teleflex incorporated of 2016 is 177 ; the teleflex incorporated of 2017 is 275 ; the teleflex incorporated of 2018 is 288 ;
table_2: company / index the s&p 500 index of 2013 is 100 ; the s&p 500 index of 2014 is 114 ; the s&p 500 index of 2015 is 115 ; the s&p 500 index of 2016 is 129 ; the s&p 500 index of 2017 is 157 ; the s&p 500 index of 2018 is 150 ;
table_3: company / index the s&p 500 healthcare equipment & supply index of 2013 is 100 ; the s&p 500 healthcare equipment & supply index of 2014 is 126 ; the s&p 500 healthcare equipment & supply index of 2015 is 134 ; the s&p 500 healthcare equipment & supply index of 2016 is 142 ; the s&p 500 healthcare equipment & supply index of 2017 is 186 ; the s&p 500 healthcare equipment & supply index of 2018 is 213 ;
Reasoning Steps:
Step: minus2-1(143, 124) = 19
Step: divide2-2(#0, 124) = 15.3%
Program:
subtract(143, 124), divide(#0, 124)
Program (Nested):
divide(subtract(143, 124), 124)
