Year	thousand metric tons of CO2 equivalent
1990	22249.6325
1991	22190.1175
1992	22032.015
1993	21478.2
1994	21567.455
1995	21817.03
1996	22316.7525
1997	23588.7625
1998	23933.815
1999	24268.93
2000	24744.92
2001	25158.99
2002	25396.8025
2003	25577.055
2004	25732.7775
2005	25276.5125
2006	24749.9
2007	25284.6575
2008	23703.87
2009	24086.58
2010	23606.0625
2011	22948.2725
2012	22491.915
2013	22325.3725
2014	23022.89
2015	23892.9125
2016	24047.04
2017	24355.12
2018	24574.3425
2019	24711.7775
2020	25092.8675