Year	kt
1990	151520.7
1991	157266.8
1992	156009.7
1993	160137.2
1994	159604.1
1995	164106.4
1996	173623.4
1997	166310.9
1998	166734.4
1999	161446.1
2000	162096.7
2001	167116.1
2002	167429.4
2003	170362.8
2004	172116.5
2005	167926
2006	163702.7
2007	164550.6
2008	165221.9
2009	160488.3
2010	171110.5
2011	158768
2012	157473.4
2013	157090.2
2014	149793.4
2015	157376
2016	158499.3
2017	155710.9
2018	151382.3
2019	145939.237
2020	130315.1