Year % of commercial profits 2005 11.4 2006 11.4 2007 11.4 2008 6.1 2009 6.1 2010 6.1 2011 6.1 2012 6.1 2013 6.2 2014 6.1 2015 6.1 2016 6.1 2017 6.1 2018 6.2 2019 6.9