Year % of commercial profits 2005 13.919999999999998 2006 13.965 2007 14.015 2008 14.245000000000001 2009 14.51 2010 14.544999999999998 2011 14.36 2012 14.239999999999998 2013 15.95909090909091 2014 16.036363636363635 2015 15.595454545454542 2016 15.663636363636364 2017 15.686363636363637 2018 15.795454545454543 2019 16.12272727272727