Year	metric tons
1960	15200
1961	15400
1962	17500
1963	18000
1964	19766
1965	21870
1966	25686
1967	26706
1968	28656
1969	28362
1970	35182
1971	34554
1972	38524
1973	38574
1974	47395
1975	44926
1976	54382
1977	52720
1978	66590
1979	81755
1980	84796
1981	92207
1982	86886
1983	105227.59
1984	106926.73999999999
1985	113006
1986	151559.79
1987	152779.72
1988	148599.07
1989	155020.09000000003
1990	162552.13
1991	195961.15
1992	177476.82
1993	171817.7
1994	187885.3
1995	207565.5
1996	191082.9
1997	224093.49
1998	243775.2
1999	296529.62
2000	232936.34
2001	224950.76
2002	234672.55
2003	316285.02
2004	431722.66000000003
2005	452596.33999999997
2006	427559.06
2007	434371.30000000005
2008	360140.85
2009	368908.62
2010	356178.6
2011	378543.70999999996
2012	405607.78
2013	394893.62
2014	471277.31
2015	533819.83
2016	515255.30000000005
2017	495001.17
2018	605729.1600000001
2019	753507.78
2020	758339.3899999999
2021	781403.68
2022	636999.45