Year	kt
1990	29128.4
1991	7823.39
1992	23045.8
1993	30742.6
1994	36671.6
1995	36248.7
1996	35628.6
1997	37306.5
1998	42133.6
1999	45741.6
2000	49838.2
2001	53188.7
2002	55593.6
2003	58121
2004	61917.8
2005	69910.7
2006	72438
2007	70599.5
2008	75847.1
2009	77654.2
2010	80725.6
2011	83291.1
2012	85316.1
2013	87363.8
2014	85576
2015	89021.7
2016	91376.2
2017	90378.3
2018	92652.1
2019	93863.6
2020	92308.9