Year	thousand metric tons of CO2 equivalent
1990	305683.3426849999
1991	309357.8798529998
1992	314504.2877299999
1993	316218.56122000003
1994	382275.7881569998
1995	390135.04624799994
1996	395916.50393900013
1997	403213.5498489999
1998	419485.693611
1999	422528.68996700016
2000	427479.80941299995
2001	420368.7230699999
2002	437110.619177
2003	454190.4902870001
2004	458054.1777649999
2005	479166.11105500004
2006	476602.602142
2007	493391.1320280001
2008	505109.4401439998
2009	509881.0926180001
2010	521929.44330200006
2011	529795.0661139999
2012	538255.1327479999
2013	550171.9493660002
2014	557193.5160489997
2015	566404.3896899997
2016	584359.1403550002
2017	589712.117027
2018	598974.564506
2019	611438.8639319998
2020	630787.008395