Year	kt
1990	29.336
1991	29.336
1992	33.003
1993	40.337
1994	44.004
1995	47.671
1996	47.671
1997	55.005
1998	58.672
1999	66.006
2000	69.673
2001	73.34
2002	99.009
2003	102.676
2004	102.676
2005	121.011
2006	143.013
2007	165.015
2008	172.349
2009	179.683
2010	183.35
2011	183.35
2012	183.35
2013	187.017
2014	198.018
2015	205.352
2016	216.353