Year	% of total reserves
1985	0
1986	0
1987	0
1988	0
1989	2.2282041868381333
1990	3.6733698400873767
1991	1.4733385857105428
1992	1.0471620663357708
1993	1.745683903462603
1994	0.5791202746532411
1995	0.4410507731907351
1996	0.05471628662063637
1997	1.0597891773005872
1998	0
1999	0.6876834821894339
2000	0.4816888947677536
2001	0.009277522615918056
2002	0.28821004130685923
2003	1.2005028337858317
2004	0
2005	2.669004136496717
2006	2.9340314322316217
2007	2.5749250789730875
2008	1.0460208366520347
2009	0.5612343639665424
2010	0.5987192784558104
2011	1.0131150894295422
2012	7.856048819338948
2013	0
2014	0.2741174643878508
2015	0
2016	0.007717710412190357
2017	0.24928741460908432
2018	0.4368714054885715
2019	2.242945460768114
2020	0.10189816392159343
2021	0.3026856515484666