Year	metric tons
1960	5700
1961	6500
1962	5800
1963	5900
1964	5800
1965	6600
1966	6800
1967	7300
1968	7500
1969	7500
1970	7021
1971	9800
1972	10400
1973	9200
1974	10484
1975	9204
1976	10439
1977	11126
1978	10236
1979	8702
1980	8994
1981	9185
1982	8841
1983	9056
1984	8785
1985	9534
1986	9083
1987	9660
1988	13080
1989	13685
1990	12401
1991	14327
1992	16422
1993	18359
1994	19129
1995	22395
1996	25323
1997	26543
1998	24570
1999	29601
2000	32083
2001	35883
2002	38908.04
2003	39927.4
2004	45083
2005	44852
2006	51649.48
2007	57936.12
2008	60804.08
2009	71672.16
2010	75678.85
2011	76662.49
2012	81832.82
2013	80061.47
2014	73177.49
2015	83074.9
2016	91596.9
2017	85335.49
2018	96131.7
2019	90879.89
2020	102674.89
2021	128910.76
2022	125230.52