Year	kt
1990	1171.9
1991	1144.2
1992	1080.7
1993	1087
1994	1413.1
1995	1530.6
1996	1580
1997	1722.2
1998	1747.6
1999	1735.8
2000	1660.3
2001	1643.8
2002	1621.9
2003	1617.8
2004	1671.7
2005	1481.6
2006	1332.8
2007	1605.2
2008	1603.7
2009	1627.2
2010	1759.3
2011	1831.6
2012	2000.8
2013	1975.6
2014	2063.3886
2015	2079.93
2016	2478.6
2017	2473.8
2018	2587.1
2019	2795.9
2020	2768.5