Year % of commercial profits 2005 12.3 2006 12.4 2007 12.5 2008 12.3 2009 12.3 2010 10.4 2011 12.2 2012 11.6 2013 11.3 2014 9.5 2015 9 2016 8.7 2017 11.9 2018 11 2019 10.2