Year	kt
1990	59679.750000000015
1991	61800.56279999999
1992	61682.293
1993	59177.29200000001
1994	59789.64399999999
1995	63207.06300000002
1996	66857.095
1997	71473.086
1998	75518.595
1999	78133.47399999999
2000	79236.603
2001	82995.648
2002	87765.76
2003	91838.104
2004	96808.522
2005	101825.94700000001
2006	110324.64199999996
2007	118850.08600000001
2008	124934.14700000003
2009	133168.86
2010	143523.907
2011	155242.92489999998
2012	164030.60000000003
2013	172090.18
2014	182498.50859999997
2015	194550.87999999995
2016	204997.72
2017	212449.09
2018	221875.68
2019	235656.81999999995
2020	224996.636