Year	kt
1990	269575.4
1991	287995.8
1992	291682.5
1993	300667.5
1994	326504.8
1995	306842.1
1996	322699.1
1997	342478.4
1998	365142.4
1999	355178.3
2000	379176
2001	378830.6
2002	386004.6
2003	404692.2
2004	414102
2005	432187.4
2006	448302.8
2007	457121
2008	459548.1
2009	448372.5
2010	462869.5
2011	478403.5
2012	486454.2
2013	475737.5
2014	462240.1
2015	471632.6
2016	476394.6
2017	474498.5
2018	444898.4
2019	451828.8
2020	383131.4