Year	% of commercial profits
2005	29.77777777777778
2006	29.15555555555555
2007	26.1
2008	25.860000000000003
2009	25.1
2010	24.82
2011	24.10909090909091
2012	24.05454545454546
2013	23.790909090909096
2014	23.6
2015	23.55454545454546
2016	23.400000000000002
2017	23.090909090909093
2018	22.91818181818182
2019	22.700000000000003