Year	% (cumulative)
2001	7.42787981033325
2002	8.3909387588501
2005	9.15083980560303
2008	9.81618022918701
2011	12.0026302337646
2012	12.8996601104736
2013	12.9113216400146
2014	13.1912441253662
2015	14.8080072402954
2016	14.3157796859741
2017	15.4560966491699
2018	16.839599609375
2019	17.6892547607422