Year % of commercial profits 2005 8.600000000000001 2006 8.600000000000001 2007 8.600000000000001 2008 8.617647058823529 2009 8.141176470588237 2010 8.205882352941178 2011 8.411764705882355 2012 7.9944444444444445 2013 10.344999999999999 2014 10.4 2015 10.4 2016 10.68 2017 10.76 2018 10.659999999999998 2019 11.09