Year	kt
1990	66386.48118100002
1991	65774.49689399998
1992	66917.49975100002
1993	69719.717731
1994	76644.22453000002
1995	86209.17372899999
1996	92262.64467500003
1997	98566.22376999998
1998	102065.24056799998
1999	108040.33226899998
2000	110415.30765199999
2001	118442.85161700001
2002	123533.58225699996
2003	134927.623164
2004	141974.72636300002
2005	149383.1302250001
2006	158367.75021200004
2007	169147.40467900006
2008	179175.18228800004
2009	194174.301108
2010	210097.68722400002
2011	223558.96718900002
2012	234517.25
2013	255682.26000000004
2014	275307.09
2015	286660.1999999999
2016	313185.2900000001
2017	339806.48999999993
2018	359297.88
2019	370595.58999999997
2020	351230.4759999999