Year	% (cumulative)
1986	37.4000015258789
2004	58.7959213256836
2007	68.640998840332
2008	69.1884078979492
2009	70.1020431518555
2010	64.5493621826172
2011	62.6642303466797
2012	66.6716537475586
2013	69.7915191650391
2014	70.9122314453125
2015	68.5126342773438
2016	73.4753189086914
2017	75.771240234375
2018	78.0411148071289
2019	78.9871444702148
2020	82.3019485473633
2021	85.6061859130859
2022	86.6493301391602