Methane emissions in metric tons generated by metal industry in Iran

Period	Methane emissions by metal industry	Change
2022	275	+21
2021	254	-6
2020	260	+30
2019	230	+10
2018	220	+29
2017	191	-5
2016	196	-3
2015	199	+41
2014	158	-28
2013	186	-17
2012	203	+20
2011	183	+30
2010	153	+25
2009	128	-11
2008	139	-54
2007	193	-18
2006	211	-25
2005	236	-29
2004	265	+44
2003	221	+7
2002	214	+10
2001	204	-7
2000	211	-4
1999	215	+141
1998	75	-201
1997	275	-33
1996	308	+68
1995	240	+103
1994	137	0
1993	137	+1
1992	136	+20
1991	116	+44
1990	72	+14
1989	58	+4
1988	55	+3
1987	52	0
1986	52	0
1985	52	-1
1984	53	+8
1983	45	+4
1982	41	+12
1981	29	-6
1980	35	+0
1979	35	-51
1978	86	0
1977	86	+6
1976	80	0
1975	80	0
1974	80	+80
1973	0	0
1972	0	0
1971	0	0
1970	0	0
1969	0	0
1968	0	0
1967	0	0
1966	0	0
1965	0	0
1964	0	0
1963	0	0
1962	0	0
1961	0	0
1960	0	0
1959	0	0
1958	0	0
1957	0	0
1956	0	0
1955	0	0
1954	0	0
1953	0	0
1952	0	0
1951	0	0
1950	0	0
1949	0	0
1948	0	0
1947	0	0
1946	0	0
1945	0	0
1944	0	0
1943	0	0
1942	0	0
1941	0	0
1940	0	0
1939	0	0
1938	0	0
1937	0	0
1936	0	0
1935	0	0
1934	0	0
1933	0	0
1932	0	0
1931	0	0
1930	0	0
1929	0	0
1928	0	0
1927	0	0
1926	0	0
1925	0	0
1924	0	0
1923	0	0
1922	0	0
1921	0	0
1920	0	0
1919	0	0
1918	0	0
1917	0	0
1916	0	0
1915	0	0
1914	0	0
1913	0	0
1912	0	0
1911	0	0
1910	0	0
1909	0	0
1908	0	0
1907	0	0
1906	0	0
1905	0	0
1904	0	0
1903	0