Year	thousand metric tons of CO2 equivalent
1990	49441.26939999999
1991	49398.14879999999
1992	51600.666800000006
1993	51409.9468
1994	50835.40279999999
1995	52134.861600000004
1996	54188.5882
1997	55136.854
1998	57930.574199999995
1999	57622.650799999996
2000	58292.3164
2001	60436.51579999999
2002	62720.59639999999
2003	61859.64459999999
2004	65846.82500000001
2005	66778.25379999999
2006	69311.01540000002
2007	67603.8032
2008	65995.88459999999
2009	66410.28340000001
2010	65269.151999999995
2011	64834.191200000016
2012	65401.166
2013	65417.317599999995
2014	63892.00459999999
2015	63883.154
2016	63749.888399999996
2017	64438.00020000001
2018	64213.635999999984
2019	65033.8214
2020	66354.79579999999