Year	% (cumulative)
1991	36.6098289489746
2001	71.8734512329102
2006	81.6966247558594
2007	84.0422821044922
2008	85.1677322387695
2009	85.9377212524414
2010	87.4282608032227
2011	85.160270690918
2012	86.9514617919922
2013	88.2480545043945
2014	91.595817565918
2015	92.0364074707031
2016	91.0930404663086
2017	90.4014739990234
2018	90.3721923828125
2019	90.9710693359375
2020	92.2865753173828
2021	93.0956039428711
2022	93.5088195800781