Year	thousand metric tons of CO2 equivalent
1990	1552.849605
1991	1486.587187
1992	1520.3432
1993	1404.65518
1994	1326.671737
1995	1285.061019
1996	1385.870061
1997	1448.289226
1998	1398.847267
1999	1337.722828
2000	1472.95651
2001	1452.149374
2002	1465.24099
2003	1485.718153
2004	1530.32838
2005	1507.56872
2006	1622.70283
2007	1791.989949
2008	1655.740551
2009	1480.333967
2010	1592.065874
2011	1517.90243
2012	1523.816341
2013	1497.658583
2014	1448.624233
2015	1375.775744
2016	1363.702827
2017	1402.750261
2018	1419.897695
2019	1429.945129
2020	1419.892563