Year	% (cumulative)
1970	29.9425296783447
1985	27.7519397735596
2001	53.6063919067383
2002	59.7452087402344
2003	61.615119934082
2004	62.9037017822266
2005	63.1125411987305
2006	64.0165481567383
2007	65.5277404785156
2008	65.4555282592773
2009	69.8138198852539
2010	70.2194366455078
2011	71.7796096801758
2012	73.6173629760742
2013	66.6789779663086
2014	75.1527328491211
2015	75.4328536987305
2016	64.8479080200195
2017	71.1402130126953
2018	71.7822723388672
2019	68.8977127075195
2020	78.2951202392578
2021	83.0431137084961
2022	76.0601959228516