Year	kt
1990	1090508.1
1991	1103961.3
1992	1115035.1
1993	1107586.8
1994	1160755.1
1995	1170985.4
1996	1184646.6
1997	1172604.1
1998	1130280.5
1999	1168954.7
2000	1184424.9
2001	1172339.5
2002	1206760.2
2003	1213929.5
2004	1207285.7
2005	1215474.4
2006	1193043.3
2007	1227990.8
2008	1158836.1
2009	1102386.2
2010	1157241.8
2011	1213775.6
2012	1254319.4
2013	1267376.2
2014	1217306.6
2015	1178349.1
2016	1164869.4
2017	1150835
2018	1111115.3
2019	1073645.3
2020	1014064.7