Year	thousand metric tons of CO2 equivalent
1990	66.8712
1991	65.858
1992	73.1292
1993	67.8844
1994	65.113
1995	57.7822
1996	54.3254
1997	55.0108
1998	61.388
1999	66.9904
2000	67.1692
2001	67.2288
2002	132.8186
2003	194.5642
2004	70.0002
2005	86.5392
2006	76.6754
2007	87.3736
2008	82.6354
2009	110.4388
2010	93.8104
2011	127.842
2012	116.1604
2013	185.356
2014	188.1572
2015	192.806
2016	189.0512
2017	172.84
2018	154.0064
2019	196.829
2020	197.9912