Year	thousand metric tons of CO2 equivalent
1990	1817298.049
1991	1806846.623
1992	1801738.396
1993	1786479.664
1994	1805217.844
1995	1843746.92
1996	1874648.536
1997	1848941.507
1998	1882509.746
1999	1907341.014
2000	1898893.161
2001	1912533.962
2002	1951120.015
2003	1948111.973
2004	2004136.122
2005	2011041.438
2006	2042884.883
2007	2090218.309
2008	2082093.607
2009	2090319.629
2010	2130405.04
2011	2209532.294
2012	2216218.401
2013	2191028.044
2014	2220649.035
2015	2229045.483
2016	2243607.581
2017	2295872.669
2018	2282040.76
2019	2284878.048
2020	2330284.01