Year	% of commercial profits
2005	23.053333333333335
2006	22.681250000000002
2007	21.244117647058825
2008	20.851428571428574
2009	19.35714285714285
2010	18.471428571428564
2011	18.672972972972968
2012	18.76052631578947
2013	18.928947368421046
2014	18.75526315789473
2015	18.47631578947368
2016	18.323684210526313
2017	18.155263157894733
2018	18.060526315789467
2019	17.963157894736838