Year	thousand metric tons of CO2 equivalent
1990	14470.6118
1991	14229.9172
1992	14041.3726
1993	13935.672
1994	14365.0602
1995	14747.9008
1996	14288.8318
1997	14212.1564
1998	13885.8166
1999	14271.2796
2000	14166.4432
2001	14310.6752
2002	14612.2214
2003	14952.2096
2004	14969.9406
2005	15036.5734
2006	14841.89
2007	14686.9896
2008	14257.4524
2009	14030.6744
2010	14260.641
2011	14347.21
2012	14478.0618
2013	14451.4504
2014	14682.9368
2015	14493.081
2016	14411.8164
2017	14447.785
2018	14483.2768
2019	14405.8862
2020	14361.961