Year	thousand metric tons of CO2 equivalent
1990	827771.7369489998
1991	812502.1597610001
1992	795616.2610160001
1993	786383.3153390002
1994	801259.3200900002
1995	800608.5516190003
1996	812663.0019459999
1997	799465.7411669998
1998	772459.3384819999
1999	759760.8237010001
2000	763406.8185790001
2001	763818.1550100001
2002	753171.3197069999
2003	723133.0554920001
2004	751524.185916
2005	722632.468719
2006	734604.049463
2007	733053.569069
2008	688117.958449
2009	672103.165391
2010	662980.9943830001
2011	722340.9492839999
2012	714007.629675
2013	675889.918354
2014	692056.7443619998
2015	688464.8733709999
2016	677266.615023
2017	701629.5114699999
2018	699598.153689
2019	681232.693149
2020	662744.848387