Year	% (cumulative)
2006	30.4582042694092
2007	31.3452777862549
2008	30.8053436279297
2009	31.6854591369629
2010	33.5963706970215
2011	34.309398651123
2012	36.5952301025391
2015	38.7680282592773
2016	39.5638847351074
2018	39.7399597167969
2019	41.0556945800781
