Year	thousand metric tons of CO2 equivalent
1990	48539.85383199999
1991	47922.193022
1992	49371.490548
1993	49934.740831
1994	51426.216483000004
1995	52548.829903000005
1996	53655.345836
1997	54681.136488
1998	55611.057132999995
1999	56312.432098
2000	57830.295692
2001	57552.477796
2002	57875.079778
2003	59050.173375
2004	60351.280479
2005	61359.851296
2006	62058.594829
2007	62802.059896
2008	60609.552157
2009	57304.494448
2010	59833.432599
2011	59195.699675
2012	57981.581351
2013	60331.567005000004
2014	60517.884711
2015	60652.68759
2016	60742.982038
2017	60782.282038
2018	62125.582038
2019	60752.682038
2020	52786.582038