Please answer the given financial question based on the context.
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 .
|company index|december 31 2011|december 31 2012|december 31 2013|december 31 2014|december 31 2015|december 31 2016|
|delphi automotive plc ( 1 )|$ 100.00|$ 177.58|$ 283.02|$ 347.40|$ 414.58|$ 331.43|
|s&p 500 ( 2 )|100.00|116.00|153.58|174.60|177.01|198.18|
|automotive supplier peer group ( 3 )|100.00|127.04|188.67|203.06|198.34|202.30|
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. .
Question: what was the percentage increase in cash dividend from 2015 to 2016?
Answer:
0.16