Year % of commercial profits 2005 23.68392857142856 2006 23.702631578947354 2007 23.321929824561405 2008 22.93245614035088 2009 22.33739130434783 2010 21.261739130434787 2011 17.009565217391305 2012 16.118644067796613 2013 12.61984126984127 2014 10.64920634920635 2015 10.610317460317463 2016 10.173015873015876 2017 10.371428571428572 2018 10.441269841269841 2019 10.47857142857143