Year % of commercial profits 2005 15.239199999999991 2006 14.980314960629912 2007 14.770078740157476 2008 14.795275590551176 2009 14.448437499999995 2010 14.432812499999997 2011 14.39612403100775 2012 14.30454545454545 2013 14.760283687943264 2014 14.789361702127657 2015 14.77517730496454 2016 14.822695035460995 2017 14.760992907801423 2018 14.85744680851064 2019 14.94184397163121