Year	kt
1990	2103131.8759999997
1991	2154972.12
1992	2127063.985028
1993	2093992.369589
1994	2065517.9464450004
1995	2143564.0119620003
1996	2176837.2213500007
1997	2248837.052183
1998	2270538.2131270007
1999	2388906.0275230007
2000	2459953.1960000005
2001	2525893.9499999993
2002	2597706.72
2003	2695494.33
2004	2830470.42
2005	2943732.0800000015
2006	3093238.6600000006
2007	3298000.7599999993
2008	3426922.4700000016
2009	3562625.3300000015
2010	3744660.3299999996
2011	3916449.710000001
2012	4116165.7900000005
2013	4244071.39
2014	4483108.910000001
2015	4515567.19
2016	4664838.810000001
2017	4856633.839999999
2018	5105467.74
2019	5122757.31
2020	4819595.8