Year	% of total reserves
2012	7.260245325531532
2013	10.229866644364085
2014	22.881098148985963
2015	13.776287730876527
2016	0
2017	0.5469897224260659
2018	0.3843279863381342
2019	0.22812435525742739
2020	0.06595345225765112
2021	0.11232582533173123
2022	0.040683187243686504