Year	% of commercial profits
2005	3.5823529411764707
2006	3.2457142857142856
2007	3.114285714285715
2008	2.9942857142857147
2009	3.085714285714286
2010	2.857142857142857
2011	3.171428571428571
2012	3.5199999999999996
2013	2.9342105263157903
2014	2.9131578947368424
2015	2.9263157894736844
2016	2.884210526315789
2017	2.9
2018	2.9026315789473687
2019	2.7710526315789474