Year	% (cumulative)
1980	8.24612045288086
2006	28.3961391448975
2007	30.5056800842285
2008	30.1783199310303
2009	32.158519744873
2011	32.7896881103516
2012	33.4766731262207
2013	34.3056449890137
2014	34.879020690918
2015	36.060848236084
2016	37.7545585632324
2017	37.7626609802246
2018	38.2723388671875
2019	40.5875701904297
2020	41.6345100402832
2021	42.8417320251465
2022	42.3780097961426