Year	kt
1990	532994.2
1991	548964.99
1992	589786
1993	631232.9
1994	684684.4000000001
1995	707814.7
1996	726363.1
1997	766587.7999999998
1998	748240.9000000001
1999	775499.6
2000	813164.0000000001
2001	853985.0000000002
2002	872569.6
2003	898626.2999999998
2004	955112.6000000002
2005	1028354.2000000001
2006	1079050.0999999999
2007	1121516.7999999998
2008	1165353.5
2009	1207787.7999999998
2010	1231947.5
2011	1238709.1
2012	1297696.5000000002
2013	1327780.49
2014	1360355.17
2015	1349815.45
2016	1367274.87
2017	1422054.4999999998
2018	1449693.5000000005
2019	1439681.67
2020	1370939.0000000002