Year	% (cumulative)
1989	13.3691997528076
2004	30.3477096557617
2005	30.1295795440674
2006	34.1844787597656
2007	27.6243896484375
2008	29.7962303161621
2009	30.620719909668
2010	32.5428695678711
2011	34.2137107849121
2012	35.7012901306152
2013	37.7671813964844
2014	37.6630516052246
2015	37.3073310852051
2016	38.7738914489746
2017	39.9227523803711
2018	43.5797996520996
2019	48.3395118713379
2020	50.7318000793457
2021	48.0606803894043
2022	49.4585647583008