Year	million passenger-km
1995	77
1996	85
1997	85
1999	87.769
2000	94
2001	63
2002	97
2003	86
2004	92
2005	95
2006	76
2007	99
2008	95
2009	102
2010	111
2011	118
2012	127
2013	125
2014	109
2015	112
2016	127
2017	174
2018	176.330295
2019	171.279327
2020	87