Year % of commercial profits 2005 15.088235294117647 2006 13.711111111111114 2007 13.644444444444446 2008 12.573684210526316 2009 11.905263157894737 2010 12.373684210526317 2011 11.789999999999997 2012 11.645 2013 12.66 2014 13.095000000000002 2015 12.275 2016 12.364999999999998 2017 12.615 2018 12.285 2019 12.219999999999999