Year	% of commercial profits
2005	18.94385964912281
2006	18.59827586206897
2007	18.313793103448273
2008	18.387931034482758
2009	17.758620689655178
2010	17.57241379310345
2011	17.1135593220339
2012	16.898333333333333
2013	17.81515151515151
2014	17.63484848484848
2015	17.53484848484848
2016	17.54242424242424
2017	17.357575757575756
2018	17.5
2019	17.327272727272724