Year	% (cumulative)
1986	44.1334495544434
1990	63.5420532226562
1991	49.3545188903809
1992	65.9113540649414
1993	67.7197113037109
1994	68.1758346557617
1995	69.1791915893555
1996	70.2353057861328
1997	71.6934432983398
1998	72.4626541137695
1999	73.2967681884766
2000	74.4628753662109
2001	67.7451324462891
2002	76.4856796264648
2003	77.6938934326172
2004	78.1951293945312
2005	79.2255935668945
2006	79.4033889770508
2007	80.5808181762695
2008	81.2651138305664
2009	81.8416213989258
2010	82.634391784668
2011	82.7489929199219
2012	83.580940246582
2013	84.3148803710938
2014	84.7867736816406
2015	85.3110198974609
2016	84.4691925048828
2017	86.4637603759766
2018	87.1723480224609
2019	87.4373016357422
2020	88.1384048461914
2021	86.5175704956055
2022	89.1743698120117
2023	89.5703811645508