Year	% (cumulative)
1980	14.5
1990	34.1375617980957
1995	52.8251800537109
2005	66.6266098022461
2006	68.0276489257812
2007	69.2204666137695
2008	71.3121871948242
2009	71.0626602172852
2010	72.7286682128906
2011	73.1662216186523
2012	74.0857162475586
2013	74.7682418823242
2014	75.5236892700195
2015	76.1446762084961
2016	76.2680511474609
2017	76.8296813964844
2018	78.0910491943359
2019	79.418701171875
2020	80.4640197753906
2021	87.2187271118164
2022	87.8117980957031