Year	kt
1992	99.009
1993	99.009
1994	102.676
1995	106.343
1996	106.343
1997	110.01
1998	117.344
1999	110.01
2000	124.678
2001	168.682
2002	143.013
2003	143.013
2004	143.013
2005	121.011
2006	121.011
2007	132.012
2008	110.01
2009	146.68
2010	102.676
2011	117.344
2012	124.678
2013	135.679
2014	135.679
2015	143.013
2016	143.013