Year	% (cumulative)
1991	9.59595966339111
2001	12.5332803726196
2006	11.9121398925781
2007	11.7689027786255
2008	11.934983253479
2009	12.4957885742188
2010	13.6274652481079
2011	20.6529293060303
2012	17.1705760955811
2013	17.8818759918213
2014	19.4953899383545
2015	20.6261596679688
2016	21.516529083252
2017	22.7982692718506
2018	24.1399993896484
2019	25.2378692626953
2020	25.7079811096191
2021	26.5985507965088
2022	27.9138774871826