Year % of commercial profits 2005 25.4 2006 25.4 2007 25.4 2008 25.6 2009 25.6 2010 25.8 2011 27.1 2012 25.8 2013 23.4 2014 23.9 2015 24.1 2016 24.4 2017 27.3 2018 28.8 2019 25.5