Year	thousand metric tons of CO2 equivalent
1990	81468.47137399999
1991	82632.18290299996
1992	82560.696834
1993	83248.00715300001
1994	82682.06998300002
1995	84979.65535200003
1996	87158.90079800006
1997	88230.83593699998
1998	89113.27226200001
1999	89445.85050499998
2000	96145.30591000004
2001	97624.15294100002
2002	100567.39888999998
2003	105111.295565
2004	111500.24503600005
2005	116386.65232
2006	121369.39394200002
2007	126172.661914
2008	130331.53134500001
2009	132659.87168600003
2010	139438.86713600004
2011	145727.754657
2012	150634.99835400004
2013	154973.944973
2014	157144.18560299996
2015	157918.84927200002
2016	160013.39079499987
2017	163941.79079500004
2018	169191.09079500003
2019	171620.59079500008
2020	165546.19079499997