Year	% (cumulative)
1986	13.3000001907349
2004	25.5490207672119
2007	29.7934494018555
2008	26.4033107757568
2009	25.1018905639648
2010	20.2744693756104
2011	22.1442909240723
2012	25.3007907867432
2013	25.0186500549316
2014	24.5754299163818
2015	22.0692539215088
2016	23.9165592193604
2017	24.2026500701904
2018	24.7712936401367
2019	24.3751277923584
2020	30.9474811553955
2021	31.739616394043
2022	35.1379089355469