Year % of commercial profits 2005 18.7304347826087 2006 19.12826086956522 2007 19.304347826086957 2008 19.169565217391302 2009 18.113043478260867 2010 17.563043478260866 2011 18.400000000000002 2012 17.37234042553191 2013 14.70392156862745 2014 13.70392156862745 2015 13.774509803921571 2016 13.392156862745098 2017 13.36470588235294 2018 13.382352941176471 2019 14.076470588235289