Year % of commercial profits 2005 20.1 2006 20.5 2007 22 2008 23.1 2009 23.1 2010 19.8 2011 19.5 2012 19.6 2013 20.5 2014 20.5 2015 20.3 2016 20.3 2017 20.3 2018 20.3 2019 20.2