Year % of commercial profits 2005 58.9 2006 58.9 2007 58.9 2008 58.9 2009 58.9 2010 58.9 2011 58.9 2012 58.9 2013 33.4 2014 27.5 2015 27.5 2016 27.5 2017 27.5 2018 27.5 2019 23.6