Year	thousand metric tons of CO2 equivalent
1990	80242.016233
1991	74841.824778
1992	69484.6075
1993	60855.275
1994	56317.88999999999
1995	52631.47
1996	51487.655
1997	50600.29
1998	48392.84
1999	46681.255
2000	44448.159999999996
2001	42644.282499999994
2002	41615.62499999999
2003	41893.98499999999
2004	41337.625
2005	41102.355
2006	41334.807499999995
2007	41455.0525
2008	40770.6425
2009	39556.9625
2010	38895.3425
2011	37243.82
2012	36828.170000000006
2013	36737.0125
2014	37038.23249999999
2015	37268.905
2016	36963.155
2017	37162.1025
2018	36688.542499999996
2019	36553.62999999999
2020	36593.7475