Year % of commercial profits 2005 12.2 2006 12.2 2007 11.4 2008 13.4 2009 13.2 2010 12.9 2011 13.2 2012 13.4 2013 13.6 2014 13.6 2015 13.6 2016 13.6 2017 13.5 2018 13.5 2019 13.7