Year	thousand metric tons of CO2 equivalent
1990	2274046.133
1991	2260457.229
1992	2254408.464
1993	2238300.066
1994	2327255.928
1995	2381418.874
1996	2429432.359
1997	2400496.023
1998	2413608.83
1999	2418703.169
2000	2431730.194
2001	2444148.766
2002	2488054.112
2003	2499519.768
2004	2575602.842
2005	2592981.467
2006	2633156.708
2007	2685840.582
2008	2669005.708
2009	2671742.433
2010	2725624.898
2011	2819429.919
2012	2831103.974
2013	2820841.483
2014	2866844.525
2015	2889129.102
2016	2913223.87
2017	2977437.457
2018	2976930.847
2019	2987194.734
2020	3017899.395