Year	kt
1992	2959.269
1993	1800.497
1994	656.393
1995	671.061
1996	630.724
1997	630.724
1998	968.088
1999	1004.758
2000	729.733
2001	781.071
2002	770.07
2003	832.409
2004	1078.098
2005	916.75
2006	1111.101
2007	1521.805
2008	1474.134
2009	1598.812
2010	1686.82
2011	1455.799
2012	1840.834
2013	1840.834
2014	2563.233
2015	2533.897
2016	2394.551