Year % of commercial profits 2005 8 2006 7.4 2007 7.4 2008 7.5 2009 8.3 2010 8.1 2011 8.3 2012 7.8 2013 7.9 2014 8.4 2015 9.4 2016 9.5 2017 9.5 2018 9.1 2019 9.1