Year	% of commercial profits
2005	19.331818181818182
2006	18.95555555555556
2007	18.560000000000002
2008	18.00444444444445
2009	16.98478260869565
2010	16.419565217391302
2011	16.497826086956525
2012	16.789361702127664
2013	16.980392156862752
2014	16.786274509803928
2015	17.01568627450981
2016	17.523529411764706
2017	17.605882352941176
2018	17.517647058823535
2019	17.403921568627457