Year	million passenger-km
1995	399
1996	334
1997	317
1998	281
1999	248.8
2000	327.1
2001	302.8
2002	308.5
2003	319
2004	308
2005	324
2006	361.935
2007	370
2008	377.477
2009	435.390042285107
2010	463.485
2011	494.747
2017	262.124
2018	256.872
2019	254.555
2020	225.373