Year % of commercial profits 2005 23.4 2006 23.4 2007 23.4 2008 21.9 2009 20.9 2010 20.7 2011 1.2 2012 1.2 2013 20.8 2014 21.7 2015 13.4 2016 12.5 2017 10.6 2018 10.6 2019 10.6