Year	% (cumulative)
1970	3.68259000778198
1981	7.15016984939575
1986	7
1991	8.44641017913818
2004	21.6165199279785
2005	23.3034992218018
2006	23.6262397766113
2007	24.1841697692871
2008	24.4991397857666
2009	24.8929805755615
2010	25.6735897064209
2011	26.4915790557861
2012	26.941930770874
2013	28.398307800293
2014	28.9789295196533
2015	29.2910804748535
2016	29.791259765625
2017	30.6303176879883
2018	31.106409072876
2019	32.6620979309082
2020	33.442310333252
2021	34.7776222229004
2022	35.1002464294434