Year	kt
1990	54615
1991	65096.2
1992	67174.7
1993	73044.4
1994	79739.3
1995	86310
1996	98644.7
1997	106015.2
1998	105685.2
1999	114454.7
2000	124355.9
2001	129458.7
2002	136377.9
2003	144010
2004	157850
2005	166973.4
2006	173632.9
2007	189464.8
2008	202458.6
2009	181472.7
2010	199867
2011	202401.3
2012	205415.8
2013	223086.5
2014	236264.6
2015	236229.4
2016	231669.4
2017	225104.1
2018	241451.4
2019	244882
2020	245139.3