Year % of commercial profits 2005 22.6 2006 22.6 2007 22.6 2008 22.6 2009 12.4 2010 12.4 2011 12.4 2012 12.4 2013 12.4 2014 12.4 2015 12.4 2016 12.4 2017 12.4 2018 12.4 2019 13.5