Year	% of commercial profits
2005	23.64
2006	23.520000000000003
2007	23.100000000000005
2008	22.84
2009	22.299999999999997
2010	22.09333333333333
2011	21.706666666666663
2012	21.279999999999998
2013	22.14117647058824
2014	21.50588235294118
2015	21.288235294117648
2016	21.676470588235293
2017	21.376470588235296
2018	21.45882352941177
2019	21.200000000000003