Year	thousand metric tons of CO2 equivalent
1990	44613.8184
1991	44447.0278
1992	46417.582599999994
1993	46343.6786
1994	45891.106
1995	47518.00720000001
1996	49341.558600000004
1997	50078.90000000001
1998	52692.21099999999
1999	52447.076199999996
2000	52925.1278
2001	54985.380600000004
2002	57132.947400000005
2003	56087.772
2004	59910.903399999996
2005	60992.76260000001
2006	63486.1584
2007	61488.87299999999
2008	60438.51239999999
2009	61189.3532
2010	59889.507000000005
2011	58879.5254
2012	59271.455
2013	59223.4174
2014	57876.7852
2015	57462.5652
2016	57229.43979999999
2017	57933.82239999999
2018	57605.90320000001
2019	58338.029599999994
2020	59294.87779999999