Year	% of commercial profits
2005	19.51617647058823
2006	18.785507246376813
2007	18.457971014492752
2008	18.295652173913044
2009	17.981428571428577
2010	17.559999999999995
2011	17.342857142857138
2012	17.35555555555555
2013	17.522666666666666
2014	17.389333333333337
2015	17.528
2016	17.6
2017	17.520000000000007
2018	17.468
2019	17.424