Year	kt
1990	237250.9
1991	246366
1992	253841.7
1993	219245.6
1994	199170.1
1995	175237.63
1996	153394.84
1997	132240.74
1998	135838.36
1999	122649.272
2000	120151.999
2001	117443.4
2002	131067.44
2003	146142.22
2004	158029.6
2005	169217.6
2006	185299.3
2007	198392.4
2008	242038
2009	213617.1
2010	229702.2
2011	245455.3
2012	244599
2013	260015.4
2014	209261.3
2015	191059.6
2016	202475.7
2017	214897.7
2018	216896.7
2019	204592.2
2020	211896.7