Year % of commercial profits 2005 32.6 2006 32.6 2007 32.6 2008 32.6 2009 32.6 2010 32.6 2011 34.3 2012 34.3 2013 34.3 2014 34.3 2015 34.3 2016 34.3 2017 34.3 2018 34.3 2019 43.1