Year	% of commercial profits
2005	31.858823529411765
2006	30.716666666666665
2007	30.58888888888889
2008	29.48947368421053
2009	29.410526315789472
2010	29.073684210526313
2011	28.275
2012	28.345
2013	28.235000000000003
2014	28.21
2015	28.390000000000004
2016	28.300000000000004
2017	27.090000000000003
2018	27.520000000000003
2019	27.830000000000002