Year % of commercial profits 2005 13.65 2006 13.578260869565215 2007 13.395652173913044 2008 13.382608695652175 2009 13.423913043478262 2010 13.545652173913044 2011 13.773913043478261 2012 13.397872340425533 2013 12.986274509803923 2014 13.150980392156862 2015 13.264705882352937 2016 13.335294117647058 2017 13.480392156862743 2018 13.588235294117647 2019 13.801960784313724