Year	kt
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	40.337
1999	77.007
2000	124.678
2001	165.015
2002	172.349
2003	150.347
2004	135.679
2005	143.013
2006	154.014
2007	194.351
2008	223.687
2009	146.68
2010	220.02
2011	253.023
2012	260.357
2013	297.027
2014	253.023
2015	231.021
2016	363.033