Year	thousand metric tons of CO2 equivalent
1990	111.979486
1991	110.620392
1992	104.672098
1993	106.144003
1994	107.675509
1995	117.551015
1996	115.294172
1997	115.272329
1998	114.922686
1999	118.894043
2000	108.5316
2001	99.975129
2002	105.484258
2003	104.705587
2004	107.622116
2005	119.925645
2006	114.727264
2007	116.978882
2008	106.088701
2009	113.018919
2010	109.459538
2011	111.188498
2012	110.563258
2013	110.236018
2014	108.806178
2015	103.859937
2016	104.531678
2017	106.127218
2018	105.696358
2019	102.523898
2020	97.265439