Year % of commercial profits 2005 33 2006 33 2007 33.2 2008 33.2 2009 33.2 2010 33.2 2011 32.4 2012 27.4 2013 30.1 2014 29.8 2015 29.8 2016 30.1 2017 30.1 2018 30.1 2019 30.1