Year	kt
1990	4322250.256
1991	4523221.240000001
1992	4690840.495027998
1993	4985060.629589001
1994	5229346.686445
1995	5662345.191962
1996	5738115.431349999
1997	5869798.919183
1998	5862285.528126999
1999	5901423.807523001
2000	6188981.819999999
2001	6419834.110000001
2002	6763372.54
2003	7452441.4
2004	8227512.79
2005	8976141.829999998
2006	9611423.100000001
2007	10269588.53
2008	10453538.8
2009	10916830.29
2010	11863420.2
2011	12805112.100000001
2012	13143266.299999999
2013	13591102.729999999
2014	13640572.799999999
2015	13510201.2
2016	13550289.299999999
2017	13869888.999999998
2018	14437176.3
2019	14703257.399999999
2020	14708135.599999998