Year	% of total reserves
1995	0
1996	0
1997	0
1998	0
1999	0
2000	33.076131377308144
2001	37.46094633371143
2002	102.13478873074521
2003	115.12538416701075
2004	94.13293036017572
2005	44.92890376385914
2006	78.727116518305
2007	52.77539449694123
2008	31.1885438672838
2009	15.44708892816671
2010	13.58451324340037
2011	15.330179158674731
2012	13.539248754361699
2013	19.231826458816965
2014	36.866705877352615
2015	48.14907121826736
2016	18.293250571413804
2017	18.921820363891083
2018	20.84754526908471
2019	17.046488527489288