Year	kt of CO2 equivalent
1990	30629970.88
1991	30804062.57
1992	30704762.56
1993	30852305.35
1994	31131196.23
1995	31923717.14
1996	32523974.52
1997	32918471.19
1998	33134920.9
1999	33329416.84
2000	34208319.15
2001	34593446.49
2002	35018764.11
2003	36315561.75
2004	37789694.06
2005	39003677.98
2006	40128914.6
2007	41442032.12
2008	41744912.56
2009	41308021.97
2010	43442887.33
2011	44714895.87
2012	45230397.93
2013	45922199.7
2014	46235969.43
2015	46135596.34
2016	46288080.19
2017	47035210.47
2018	48069812.64
2019	48089616.91
2020	46120921.47