Year	metric tons
1960	16650
1961	21800
1962	20804
1963	26060
1964	21676
1965	23201
1966	26193
1967	28207
1968	28484
1969	30127
1970	22660
1971	25870
1972	28289
1973	30674
1974	42347
1975	45271
1976	50024
1977	55721
1978	56396.8
1979	59708.1
1980	61067.5
1981	57995.5
1982	63689
1983	67951.3
1984	75739.16
1985	89678.51
1986	91220.84
1987	97504.5
1988	99183.16
1989	93117.5
1990	84213.52
1991	85735.55
1992	86488
1993	82622.25
1994	85809.81
1995	83255.71
1996	83534.01
1997	86390.31
1998	88097.6
1999	92395.23
2000	94670.83
2001	97526.09
2002	96727.57
2003	90262.12
2004	110371.67
2005	109153.31
2006	111394.54
2007	103821.19
2008	96189.75
2009	94536.81
2010	93178.8
2011	102200.6
2012	108184
2013	109825
2014	114520
2015	117011
2016	109777
2017	107896.99
2018	115122.99
2019	130982
2020	121822
2021	124243.45
2022	128705.38