Year	kt
1990	7.334
1991	7.334
1992	7.334
1993	7.334
1994	7.334
1995	7.334
1996	7.334
1997	7.334
1998	7.334
1999	7.334
2000	7.334
2001	7.334
2002	11.001
2003	11.001
2004	11.001
2005	11.001
2006	7.334
2007	11.001
2008	11.001
2009	11.001
2010	7.334
2011	7.334
2012	11.001
2013	11.001
2014	11.001
2015	11.001
2016	11.001