Year	% of commercial profits
2005	21.302
2006	20.850000000000005
2007	20.083636363636366
2008	19.917857142857144
2009	19.85535714285714
2010	19.65357142857142
2011	19.356896551724137
2012	19.4728813559322
2013	19.429032258064513
2014	19.488709677419358
2015	19.585483870967746
2016	19.533870967741937
2017	19.212903225806453
2018	19.25396825396825
2019	19.055555555555554