Year	kt
1992	1774.828
1993	938.752
1994	942.419
1995	671.061
1996	366.7
1997	392.369
1998	407.037
1999	586.72
2000	788.405
2001	777.404
2002	817.741
2003	935.085
2004	920.417
2005	982.756
2006	920.417
2007	924.084
2008	1034.094
2009	953.42
2010	1008.425
2011	942.419
2012	898.415
2013	854.411
2014	858.078
2015	821.408
2016	828.742