Year	% (cumulative)
1970	21.2000007629395
1978	34
1988	50.5185890197754
2006	97.6837768554688
2007	97.9227676391602
2008	75.5765991210938
2009	76.8800201416016
2010	77.8851623535156
2011	78.7756805419922
2012	79.4164428710938
2013	80.3641815185547
2014	81.0805816650391
2015	97.4757614135742
2016	82.8530883789062
2017	97.6986541748047
2018	97.867057800293
2019	97.9816284179688
2020	86.5182037353516
2021	97.5792846679688
2022	97.6652450561523