Year % of commercial profits 2005 6.6 2006 6.6 2007 6.6 2008 7.8 2009 8.1 2010 8.6 2011 10.2 2012 10.2 2013 6.8 2014 6.8 2015 7.4 2016 7.7 2017 7.9 2018 8.1 2019 8.2