Year	kt
1990	891.13
1991	952.69
1992	964.66
1993	996.72
1994	1213.12
1995	1371.8
1996	1308.3
1997	1419.42
1998	1626.94
1999	1669.63
2000	1654.02
2001	1669.04
2002	1121.93
2003	1553.4
2004	1645.54
2005	1709.64
2006	1637.09
2007	1723.1
2008	1780.34
2009	1686.22
2010	1869.8
2011	2193.89
2012	2741.74
2013	2930.23
2014	3010.62
2015	3284.62
2016	3181.72
2017	3481
2018	3304.87
2019	3927.7
2020	2745.45