Year	% (cumulative)
1975	54.6223182678223
2003	91.7654495239258
2006	83.210693359375
2008	85.7600021362305
2009	85.8600006103516
2010	85.9800033569336
2011	87.629997253418
2012	88.5699996948242
2013	88.6500015258789
2014	89.5299987792969
2015	89.6399993896484
2016	90.0800018310547
2017	90.379997253418
2018	91.379997253418
2019	91.5999984741211
2021	92.5500030517578
2022	93.25