Year	metric tons
1960	14598640.01
1961	16782276
1962	19286518
1963	20020481
1964	23883479
1965	22500941
1966	25478914.009999998
1967	27322365
1968	29352896
1969	28228840
1970	31718969
1971	31224046
1972	26071699
1973	24690612
1974	27452563
1975	26739560
1976	28300303
1977	28432954.990000002
1978	30786882.91
1979	31729557.81
1980	31667823.1
1981	33070315.08
1982	35113534.64
1983	35000530.63
1984	38923319.11
1985	42089877.330000006
1986	46609933.440000005
1987	47483925.12
1988	51868470.81999999
1989	54818843.49999999
1990	54373964.04
1991	58159385.480000004
1992	70785207.31
1993	75862348.09
1994	85753381.52
1995	89740180.22
1996	94484624.98
1997	93650270.58
1998	89981169.59999998
1999	99549581.23
2000	103886382.91000001
2001	103268318.28000002
2002	107207033.74999999
2003	107554843.78999999
2004	117052431.93000002
2005	120378255.09
2006	122191058.68999998
2007	125576762.33999999
2008	129757487.71000001
2009	133555657.55999996
2010	135304799.8
2011	143641783.45999998
2012	147471315.14
2013	155239451.36999995
2014	159746940.35
2015	165088914.7400001
2016	168429919.16
2017	174360522.46000007
2018	180650707.33999985
2019	181517260.34999993
2020	182961714.57999992
2021	187727644.86999995
2022	190326789.9100001