Year % of commercial profits 2005 13.306250000000002 2006 13.190624999999999 2007 13.181249999999999 2008 13.178125 2009 12.984848484848486 2010 13.154545454545456 2011 13.58787878787879 2012 13.402777777777779 2013 13.400000000000004 2014 13.621621621621623 2015 13.745945945945948 2016 13.816216216216219 2017 13.321621621621624 2018 13.4972972972973 2019 13.994594594594599