Year	thousand metric tons of CO2 equivalent
1990	322151.267499
1991	327132.474999
1992	332376.194999
1993	332258.36500000005
1994	338494.4600000001
1995	344789.1649999999
1996	350062.30249999993
1997	356655.775
1998	376643.8650000001
1999	378749.40000000014
2000	383819.05999999994
2001	380176.25000000006
2002	397543.6625
2003	412636.73499999987
2004	416577.91250000003
2005	436935.1475000001
2006	432510.2524999999
2007	454937.3749999998
2008	468894.5775000001
2009	466362.995
2010	488146.5724999999
2011	499217.7
2012	508510.53250000003
2013	513089.5649999998
2014	516606.52500000014
2015	528280.6199999999
2016	547030.0275
2017	549464.3749999998
2018	560425.2899999999
2019	574209.4974999999
2020	596284.1200000002