Year	% (cumulative)
1970	1.64108002185822
1981	3.47294998168945
1991	7.66812992095947
1998	6.87264013290405
1999	7.1221399307251
2000	7.2837700843811
2001	7.57331991195679
2002	7.69954013824463
2003	8.94606971740723
2004	10.2277002334595
2005	10.4475898742676
2006	11.0716104507446
2007	11.2087497711182
2008	11.5938196182251
2009	11.9834403991699
2010	12.6629800796509
2011	14.1166296005249
2012	15.2353897094727
2013	15.8727903366089
2014	17.4849891662598
2015	18.1825294494629
2016	19.0035095214844
2017	19.261890411377
2018	18.6854991912842
2019	20.7785091400146
2020	22.547779083252
2021	25.1858520507812
2022	25.5669574737549