Year % of commercial profits 2005 29.2 2006 19.4 2007 9.7 2008 9.6 2009 9.6 2010 9.6 2011 9.6 2012 9.6 2013 9.6 2014 9.6 2015 9.6 2016 9.6 2017 9.6 2018 9.6 2019 9.6