Year	% (cumulative)
2001	94.8462829589844
2002	82.3840942382812
2005	50.0235290527344
2008	94.9635391235352
2011	97.3151626586914
2012	96.8914184570312
2013	96.6930236816406
2014	97.7964096069336
2015	98.0402984619141
2016	97.8207397460938
2017	97.2630081176758
2018	97.7729034423828
2019	98.0596618652344