Year	% of total reserves
1970	0.004988217544363819
1971	0
1972	0
1973	0.3280449305059992
1974	0.2909768422502061
1975	0
1976	0
1977	207.46690590836175
1978	136.00007439819598
1979	152.30025205461214
1980	93.33333333333333
1981	109.83776542822945
1982	94.77111518062638
1983	453.54949018987344
1984	259.4021534138717
1985	117.5375942963422
1986	191.575301691127
1987	136.12024530014125
1988	200.63813817934778
1989	363.90228381395355
1990	205.9599655961097
1991	264.9486782830676
1992	95.89069565535581
1993	69.07354737138918
1994	65.58427835580684
1995	72.1742178022462
1996	65.30212278682961
1997	100.4410665903177
1998	88.89905438713751
1999	141.42422145078172
2000	75.23890982964764
2001	48.993239684711945
2002	47.48402742075962
2003	82.73495520852995
2004	59.45586795098091
2005	28.400877386141065
2006	47.38721882428605
2007	81.67775520332088
2008	71.03780848410098
2009	36.06637191474354
2010	43.553579098735426
2011	43.28383020951656
2012	88.39842750928896
2013	79.17530850594069
2014	61.830266535388844
2015	51.908563742131264
2016	50.48549731648044
2017	47.45616993498874
2018	62.420787978378925
2019	62.48337175266548
2020	45.315362060498416
2021	46.703687002756475
2022	49.28291977932598