Year	thousand metric tons of CO2 equivalent
1990	34412.35348
1991	34588.22273
1992	35458.09342
1993	31406.85
1994	31704.8375
1995	31715.9925
1996	33193.8425
1997	34403.6925
1998	37618.6975
1999	37160.6675
2000	34958.69
2001	36800.55
2002	42099.1625
2003	40741.49
2004	41384.3425
2005	43296.53
2006	46106.62
2007	51549.0575
2008	53837.6425
2009	56317.0875
2010	59030.5225
2011	57739.1225
2012	59876.93
2013	61760.8325
2014	63794.69
2015	65179.5925
2016	67013.7
2017	68297.1725
2018	69128.7675
2019	75140.3525
2020	79310.9