Year	% of total reserves
1992	259.19997839474865
1993	19.32271323428478
1994	3.736431424876363
1995	7.396409674599319
1996	2.9695835462712474
1997	12.641427844325712
1998	27.501536269622868
1999	15.788062984611525
2000	6.345102444849419
2001	6.9660163236307735
2002	16.546152605307658
2003	140.1029789216294
2004	80.35260136399994
2005	7.5041126349014515
2006	3.72308678455548
2007	5.7994896992306515
2008	10.602314359313581
2009	18.70202609331957
2010	15.976216472645211
2011	23.82809715980985
2012	21.87513900532958
2013	69.5427032015653
2014	143.71745478600707
2015	184.1348119995104
2016	198.52889976674493
2017	104.83689989318587
2018	87.82871839754985
2019	66.20678748286883
2020	28.185520234112293
2021	32.34153302746373
2022	61.185534157388986