Year	million passenger-km
1995	43340
1996	42439
1997	41764
1998	44121
1999	46851
2000	49558
2001	59151
2002	51929
2003	50983
2004	52749
2005	54641
2006	55526
2007	55730
2008	56766
2009	55489
2010	58381
2011	63044
2012	70079
2013	66353
2014	67860
2015	68371
2016	86871
2017	89964
2018	92193
2019	100381