Year	% (cumulative)
2000	74.6399993896484
2001	76.0500030517578
2002	76.0999984741211
2003	76.0699996948242
2004	76.75
2005	78.2600021362305
2006	80.5899963378906
2007	81.5699996948242
2008	82.7799987792969
2009	83.5299987792969
2010	84.2900009155273
2011	85.2399978637695
2012	85.9800033569336
2013	86.6500015258789
2014	87.1800003051758
2015	88.7082824707031
2016	93.3828125
2017	96.2789993286133