Year	% of total
1990	99.9999999999821
1995	99.9999999999837
2000	100
2005	100
2010	100
2011	100
2012	100
2013	100
2014	99.9999748473327
2015	99.9999746096438
2016	99.9997562248678
2017	99.9998246209261