Year	kt
1990	141008.58118099996
1991	140427.196894
1992	134059.19975099998
1993	129211.71773100003
1994	132044.96453000003
1995	140810.31372900002
1996	151901.64467500005
1997	159318.86377000003
1998	168643.05556799998
1999	174870.90226899998
2000	179332.917652
2001	188596.00161699994
2002	196951.59225700004
2003	208327.023164
2004	218194.54636300006
2005	238601.53022500008
2006	251053.75021199998
2007	269330.00467899995
2008	278913.242288
2009	286015.951108
2010	302634.587224
2011	317368.467189
2012	325419.94999999995
2013	326712.8599999999
2014	345130.67860000016
2015	358385.32999999996
2016	390668.89000000013
2017	424661.1900000001
2018	450796.17999999993
2019	464755.79000000004
2020	445059.2359999998