Year % of commercial profits 2005 27.3 2006 25.1 2007 25.4 2008 24.8 2009 23.2 2010 3.2 2011 1.9 2012 2.3 2013 15.6 2014 16.05 2015 16 2016 16 2017 15.85 2018 15.899999999999999 2019 14.35