Year	kt
1991	1416646.3381424411
1992	1332154.640976916
1993	1263024.6170794992
1994	1234198.4245243976
1995	1219440.4119917331
1996	1223117.4486839257
1997	1182937.9329725278
1998	1129085.125130281
1999	1073155.2686175935
2000	1095544.091830237
2001	1096758.7616357424
2002	1094802.8129761228
2003	1121055.827443137
2004	1111628.3750856086
2005	1077122.2113962967
2006	1109789.856739512
2007	1114674.2238426146
2008	1038421.5836958309
2009	922594.9278917533
2010	976968.8327502591
2011	992289.8189677299
2012	984425.3959003025
2013	963694.5858639526
2014	918739.2976810376
2015	1236864.3379782622
2016	1188521.6076392306