Year	% of commercial profits
2005	23.162068965517243
2006	22.606896551724137
2007	21.380000000000006
2008	21.26666666666667
2009	20.643333333333334
2010	20.639999999999997
2011	20.461290322580645
2012	20.164516129032258
2013	20.524242424242424
2014	20.54242424242424
2015	20.303030303030308
2016	20.2030303030303
2017	20.306060606060605
2018	20.42727272727273
2019	20.318181818181817