Year	% of total
1990	99.9999999996034
1995	99.9999999996448
2000	100
2005	100
2010	100
2011	100
2012	100
2013	100
2014	99.9999999999831
2015	99.9999999999832
2016	99.9999999999664
2017	99.9999999999665