Year	kt
1990	1262.5800000000002
1991	1294.1500000000003
1992	1741.05
1993	1768.7899999999997
1994	1786.0299999999997
1995	1853.5700000000002
1996	1939.8
1997	1951.1100000000001
1998	1965.15
1999	1994.72
2000	2045.7800000000002
2001	2257.7000000000003
2002	2111.6999999999994
2003	2306.8999999999996
2004	2570.1
2005	2324.2999999999997
2006	2475.4999999999995
2007	2457.7
2008	2163.6
2009	2145.9
2010	2473.7
2011	2426.7999999999997
2012	2380.0000000000005
2013	2500.899999999999
2014	2655.9999999999995
2015	2659.4
2016	2637
2017	2800.6
2018	2895.2999999999997
2019	2959.2000000000003
2020	2178