Year	kt
1990	30533.6
1991	29243.4
1992	30346.9
1993	32465.1
1994	35826.8
1995	38972
1996	44896.3
1997	51285.2
1998	52013.7
1999	54430.3
2000	50424.5
2001	48425.1
2002	49121.4
2003	50200.6
2004	54972.1
2005	55968.9
2006	57148.1
2007	64574
2008	67991.6
2009	65450.6
2010	69749.1
2011	76470.5
2012	78412.6
2013	82998.5
2014	76560.3
2015	82260.4
2016	86504.7
2017	87136.9
2018	86581.3
2019	91915.4
2020	84827.8