Year	thousand metric tons of CO2 equivalent
1990	14682.62892
1991	15475.60274
1992	15791.11476
1993	16175.86898
1994	16830.78619
1995	18108.86441
1996	18635.82166
1997	18169.02131
1998	18215.49316
1999	19470.36741
2000	19647.05865
2001	20125.6448
2002	20716.3766
2003	20259.5556
2004	20409.4804
2005	21187.8846
2006	22220.45595
2007	22307.21211
2008	24394.38506
2009	23898.80561
2010	24449.19097
2011	25508.85029
2012	24912.09521
2013	25080.43373
2014	26000.20685
2015	26675.21757
2016	25741.12383
2017	26628.28049
2018	27433.01574
2019	27472.5972
2020	28076.84646