Nitrous oxide emissions in metric tons generated by industrial processes in Bulgaria

Period	Nitrous oxide emissions by industrial processes	Change
2022	290	6
2021	284	29
2020	313	17
2019	330	98
2018	428	74
2017	354	71
2016	425	47
2015	472	3
2014	469	6
2013	463	54
2012	517	329
2011	846	114
2010	960	5
2009	955	1,005
2008	1,960	80
2007	2,040	370
2006	1,670	1,370
2005	3,040	220
2004	2,820	440
2003	2,380	90
2002	2,290	470
2001	2,760	10
2000	2,750	900
1999	1,850	370
1998	2,220	1,380
1997	3,600	1,180
1996	4,780	140
1995	4,640	1,480
1994	3,160	230
1993	2,930	380
1992	3,310	600
1991	3,910	1,730
1990	5,640	240
1989	5,880	710
1988	6,590	280
1987	6,870	360
1986	7,230	330
1985	7,560	420
1984	7,140	890
1983	8,030	20
1982	8,010	330
1981	8,340	320
1980	8,660	100
1979	8,560	300
1978	8,860	770
1977	9,630	730
1976	8,900	870
1975	9,770	1,480
1974	8,290	350
1973	7,940	80
1972	8,020	180
1971	7,840	500
1970	7,340	1,220
1969	8,560	500
1968	8,060	530
1967	7,530	550
1966	6,980	550
1965	6,430	540
1964	5,890	530
1963	5,360	500
1962	4,860	460
1961	4,400	420
1960	3,980	390
1959	3,590	390
1958	3,200	400
1957	2,800	380
1956	2,420	360
1955	2,060	330
1954	1,730	290
1953	1,440	240
1952	1,200	190
1951	1,010	112
1950	898	72
1949	826	61
1948	765	51
1947	714	44
1946	670	38
1945	632	35
1944	597	34
1943	563	35
1942	528	37
1941	491	42
1940	449	49
1939	400	55
1938	345	59
1937	286	60
1936	226	58
1935	168	53
1934	115	46
1933	69	36
1932	32	24
1931	9	9
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