Year % of commercial profits 2005 11.5 2006 8.1 2007 8.1 2008 8.1 2009 8.1 2010 8.1 2011 19.8 2012 19.8 2013 19.8 2014 19.8 2015 19.8 2016 19.8 2017 19.8 2018 19.8 2019 19.8