Year	thousand metric tons of CO2 equivalent
1990	450552.3601759999
1991	455512.39136400004
1992	459461.05227900005
1993	459815.89689199993
1994	525663.185056
1995	535880.249634
1996	543165.3633920002
1997	556415.5440570001
1998	571581.532101
1999	579799.9662880002
2000	585100.065531
2001	589220.0635529999
2002	594089.7540349999
2003	613914.7870969999
2004	627556.0923569999
2005	648624.5254680001
2006	660401.1369430001
2007	682468.7676500002
2008	691168.3377659997
2009	706009.8354390002
2010	724228.685123
2011	739106.432227
2012	740531.8347369999
2013	755681.423076
2014	760444.9503400002
2015	773160.7525710001
2016	784631.5295770001
2017	798430.574168
2018	808286.565564
2019	829928.1379379999
2020	848472.769344