Year	kt
1990	109312.6
1991	113960.1
1992	112329.3
1993	110108.3
1994	114901.4
1995	114568.7
1996	119448.4
1997	116634.7
1998	119412.8
1999	115514.5
2000	117274.6
2001	118339.8
2002	110850.2
2003	115502.1
2004	113350.8
2005	110960.2
2006	108081.5
2007	103905.8
2008	106715.4
2009	99904.4
2010	106872.8
2011	96488.2
2012	95275.6
2013	96550.6
2014	90362.4
2015	95096
2016	94171.6
2017	92587.4
2018	93523.2
2019	92989.4
2020	85364.1