Year % of commercial profits 2005 14.755813953488369 2006 13.88888888888889 2007 13.746666666666668 2008 13.18695652173913 2009 12.236170212765957 2010 12.15744680851064 2011 11.114893617021279 2012 10.78125 2013 11.308163265306122 2014 12.10612244897959 2015 11.887755102040813 2016 11.70408163265306 2017 11.826530612244893 2018 11.393999999999998 2019 11.475999999999997