Year % of commercial profits 2005 15.86470588235294 2006 15.29411764705882 2007 13.447368421052632 2008 12.857894736842102 2009 12.49473684210526 2010 12.405263157894733 2011 12.429999999999998 2012 12.87142857142857 2013 12.685714285714285 2014 12.895238095238096 2015 12.819047619047616 2016 12.819047619047618 2017 12.895238095238094 2018 12.828571428571427 2019 12.69047619047619