Year	thousand metric tons of CO2 equivalent
1970	2237.1098437500023
1971	-503.6393906249923
1972	-2746.357980468796
1973	-4096.633149414101
1974	-8630.024409179692
1975	-4064.691596679697
1976	-5483.3121142578
1977	-2203.880327148405
1978	-2971.2010449218924
1979	-8065.560712890605
1980	-3863.328818359387
1981	-1107.5183789062994
1982	1278.1091992187012
1983	1025.8205078125047
1984	406.0016210936992
1985	-287.0679882812856
1986	-106.05121093750131
1987	103.13033203120358
1988	-892.7008593750033
1989	2079.1788281249974
1990	-1162.2802734375
1991	611.8403320311918
1992	3938.540527343692
1993	4724.419921875
1994	7019.358642578096
1995	3637.028076171904
1996	-3066.4116210937937
1997	-6292.80859375
1998	-2705.1982421875
1999	-4511.169921875
2000	-11956.23046875
2001	-8411.729980468794
2002	1105.0224609375
2003	-1231.708984375
2004	2802.9487304687063
2005	9999.9287109375
2006	14897.529785156192
2007	19375.2109375
2008	18912.3095703125
2009	8054.731933593692
2010	17004.01123046869
2011	22113.42041015619
2012	26353.76904296869
2013	37886.75732421869
2014	48219.6806640625
2015	37563.82470703119
2016	38585.78662109369