Year	kt
1990	11301942.62
1991	11261858.729999999
1992	11202035.020000001
1993	11190404.830000002
1994	11255283.549999997
1995	11385861.270000001
1996	11654927.099999996
1997	11878876.620000001
1998	11862048.600000001
1999	11932534.799999999
2000	12205401.5
2001	12242579.100000001
2002	12138747.3
2003	12348057.200000001
2004	12433283.200000001
2005	12434543.599999996
2006	12321777.600000001
2007	12451551.7
2008	12108570.099999994
2009	11325785.799999999
2010	11794117.9
2011	11547695.050000003
2012	11341919.519999996
2013	11411367.770000001
2014	11155172.57
2015	11014655.470000003
2016	10907463.369999997
2017	10811083.27
2018	10882237.97
2019	10513545.907000002
2020	9555830.370000001
