Carbon dioxide emissions in metric tons generated by oil and natural gas in Portugal

Period	Carbon dioxide emissions by oil and natural gas	Change
2022	81,900	-831,100
2021	913,000	-61,000
2020	974,000	-126,000
2019	1,100,000	+90,000
2018	1,010,000	-100,000
2017	1,110,000	+70,000
2016	1,040,000	-60,000
2015	1,100,000	+121,000
2014	979,000	-171,000
2013	1,150,000	+570,000
2012	580,000	+94,000
2011	486,000	-45,000
2010	531,000	+94,000
2009	437,000	-33,000
2008	470,000	-49,000
2007	519,000	0
2006	519,000	-30,000
2005	549,000	+83,000
2004	466,000	+17,000
2003	449,000	+49,000
2002	400,000	-7,000
2001	407,000	+77,000
2000	330,000	-39,000
1999	369,000	-61,000
1998	430,000	-30,000
1997	460,000	+102,000
1996	358,000	-51,000
1995	409,000	+138,000
1994	271,000	+189,400
1993	81,600	+16,900
1992	64,700	+7,900
1991	56,800	+3,900
1990	52,900	+4,900
1989	48,000	+6,200
1988	41,800	+6,000
1987	35,800	-1,700
1986	37,500	+6,200
1985	31,300	-400
1984	31,700	-1,500
1983	33,200	-300
1982	33,500	-3,200
1981	36,700	+200
1980	36,500	-1,400
1979	37,900	+9,600
1978	28,300	+500
1977	27,800	+500
1976	27,300	+1,200
1975	26,100	+300
1974	25,800	+6,000
1973	19,800	0
1972	19,800	+900
1971	18,900	+300
1970	18,600	+2,100
1969	16,500	+2,700
1968	13,800	+1,700
1967	12,100	+1,800
1966	10,300	+660
1965	9,640	+1,120
1964	8,520	+1,180
1963	7,340	+800
1962	6,540	+630
1961	5,910	+800
1960	5,110	+690
1959	4,420	+500
1958	3,920	+110
1957	3,810	+620
1956	3,190	+610
1955	2,580	+360
1954	2,220	+500
1953	1,720	+280
1952	1,440	+220
1951	1,220	+437
1950	783	+291
1949	492	+53
1948	439	+121
1947	318	+183
1946	135	+100
1945	36	+35
1944	0	+0
1943	0	+0
1942	0	-1
1941	1	-0
1940	1	+0
1939	1	+0
1938	1	+0
1937	1	+0
1936	1	-0
1935	1	+0
1934	1	+0
1933	1	+0
1932	1	0
1931	1	0
1930	1	+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