Year % of commercial profits 2005 34.6 2006 34.6 2007 24.5 2008 28.6 2009 31.9 2010 27.3 2011 25 2012 25.3 2013 18.8 2014 18.8 2015 18.8 2016 18.8 2017 18.8 2018 18.8 2019 18.8