In the context of this series of interconnected finance-related queries and the additional information provided by the pretext, table data, and posttext from a company's financial filings, please provide a response to the final question. This may require extracting information from the context and performing mathematical calculations. Please take into account the information provided in the preceding questions and their answers when formulating your response:
Context: stock performance graph * $ 100 invested on december 31 , 2011 in our stock or in the relevant index , including reinvestment of dividends . fiscal year ended december 31 , 2016 . ( 1 ) delphi automotive plc ( 2 ) s&p 500 2013 standard & poor 2019s 500 total return index ( 3 ) automotive supplier peer group 2013 russell 3000 auto parts index , including american axle & manufacturing , borgwarner inc. , cooper tire & rubber company , dana inc. , delphi automotive plc , dorman products inc. , federal-mogul corp. , ford motor co. , general motors co. , gentex corp. , gentherm inc. , genuine parts co. , goodyear tire & rubber co. , johnson controls international plc , lear corp. , lkq corp. , meritor inc. , standard motor products inc. , stoneridge inc. , superior industries international , tenneco inc. , tesla motors inc. , tower international inc. , visteon corp. , and wabco holdings inc . company index december 31 , december 31 , december 31 , december 31 , december 31 , december 31 . <table class='wikitable'><tr><td>1</td><td>company index</td><td>december 31 2011</td><td>december 31 2012</td><td>december 31 2013</td><td>december 31 2014</td><td>december 31 2015</td><td>december 31 2016</td></tr><tr><td>2</td><td>delphi automotive plc ( 1 )</td><td>$ 100.00</td><td>$ 177.58</td><td>$ 283.02</td><td>$ 347.40</td><td>$ 414.58</td><td>$ 331.43</td></tr><tr><td>3</td><td>s&p 500 ( 2 )</td><td>100.00</td><td>116.00</td><td>153.58</td><td>174.60</td><td>177.01</td><td>198.18</td></tr><tr><td>4</td><td>automotive supplier peer group ( 3 )</td><td>100.00</td><td>127.04</td><td>188.67</td><td>203.06</td><td>198.34</td><td>202.30</td></tr></table> dividends the company has declared and paid cash dividends of $ 0.25 and $ 0.29 per ordinary share in each quarter of 2015 and 2016 , respectively . in addition , in january 2017 , the board of directors declared a regular quarterly cash dividend of $ 0.29 per ordinary share , payable on february 15 , 2017 to shareholders of record at the close of business on february 6 , 2017. .
Conversations: 
q0: what was the dividend per share in 2016? 0.29
Question: what was the dividend per share in 2015?
Answer: