Year	% of total
1990	0.135027032115598
1995	0.113496853998896
2000	0.194284341784867
2005	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	3.84933666700751
2016	1.65167255473045
2017	1.92237656675214