Year	% of total
1990	99.9999999855359
1995	99.9999999860372
2000	99.9999999767681
2005	99.9999999762977
2010	99.9999999757668
2011	99.9999999860811
2012	83.0334348429086
2013	66.970663985858
2014	3.53435062847896E-09
2015	3.55076000356241E-09
2016	0
2017	0