Year	kt
1990	55210.4
1991	61564.1
1992	59702.8
1993	63620.2
1994	70779.6
1995	75166.7
1996	78528.3
1997	81440.9
1998	83449.6
1999	85679.8
2000	84729.1
2001	97196.5
2002	99146.3
2003	103820.5
2004	110007.6
2005	116453.9
2006	121562.5
2007	131831.6
2008	156044.4
2009	157019.8
2010	162788.9
2011	166631.5
2012	175687.9
2013	184960.8
2014	186639.8
2015	195409.4
2016	200398.5
2017	191935
2018	174220.3
2019	185645.7
2020	188088.7