Year	kt of CO2 equivalent
1990	24.527909
1991	25.235549
1992	25.943189
1993	26.650828
1994	27.358468
1995	28.066108
1996	28.417191
1997	28.768274
1998	29.119357
1999	29.47044
2000	29.821522
2001	29.967852
2002	30.114182
2003	30.260512
2004	30.406841
2005	30.553171
2006	30.629281
2007	30.70539
2008	30.7815
2009	30.857609
2010	30.933718
2011	31.052103
2012	31.170488
2013	31.288872
2014	31.407257
2015	31.525642
2016	31.602719
2017	31.679797
2018	31.756875
2019	31.833952
2020	31.91103
