Year	% of total
1990	0.0259026130601471
1995	3.93462326512957E-11
2000	0
2005	0
2010	2.83328327989972E-11
2011	0
2012	0
2013	2.34147090168509E-11
2014	2.21156128192262E-11
2015	2.11830199033849E-11
2016	2.06722768235689E-11
2017	2.04724863829146E-11