Year % of commercial profits 2005 2.972727272727273 2006 2.4454545454545458 2007 2.1 2008 2.009090909090909 2009 2.209090909090909 2010 1.8090909090909093 2011 2.645454545454545 2012 3.5454545454545467 2013 1.6636363636363638 2014 1.5545454545454547 2015 1.6090909090909093 2016 1.6818181818181814 2017 1.6727272727272726 2018 1.6636363636363634 2019 1.5999999999999999