Year % of commercial profits 2005 54.3 2006 54.3 2007 54.3 2008 54.3 2009 54.3 2010 54.3 2011 54.3 2012 54.4 2013 32.8 2014 32.8 2015 32.8 2016 32.8 2017 32.8 2018 32.8 2019 40.7