Year % of commercial profits 2005 11.938461538461542 2006 11.690000000000003 2007 11.690000000000003 2008 11.690000000000003 2009 11.712500000000002 2010 11.902500000000002 2011 12.345 2012 12.421428571428573 2013 12.206976744186049 2014 12.513953488372094 2015 12.513953488372094 2016 12.583720930232559 2017 12.597674418604653 2018 12.793023255813955 2019 13.358139534883726