Year % of commercial profits 2005 14.446666666666669 2006 14.318749999999998 2007 13.74375 2008 13.55625 2009 11.747058823529409 2010 10.74705882352941 2011 9.741176470588236 2012 9.182352941176472 2013 9.694117647058825 2014 11.71764705882353 2015 12.241176470588236 2016 12.135294117647058 2017 12.376470588235293 2018 12.058823529411763 2019 12.276470588235293