Year	million passenger-km
1995	122
1996	92
1997	150
1998	142
1999	82
2000	73
2001	33
2002	41.6
2003	50
2004	50
2006	52.38
2007	53
2009	45
2010	32.8
2011	31.5
2012	24
2014	18
2015	16
2016	18.4
2017	28
2018	33
2019	28.1
2020	21.7