Year	% (cumulative)
1970	36.444580078125
1980	39.8942909240723
1985	33.6479415893555
2001	62.256908416748
2002	68.6841430664062
2003	70.8405990600586
2004	71.4726867675781
2005	72.2189788818359
2006	72.9871368408203
2007	74.1135025024414
2008	74.3614730834961
2009	77.9707107543945
2010	78.4626693725586
2011	79.0884704589844
2012	81.0981216430664
2013	80.8460998535156
2014	81.7826538085938
2015	82.3844909667969
2016	78.2640609741211
2017	85.8536682128906
2018	84.2133026123047
2019	86.2785263061523
2020	88.4449768066406
2021	87.9931106567383
2022	87.2301559448242