Year	million passenger-km
2001	215
2002	192
2003	192
2004	164
2005	122
2006	108
2007	121.881
2008	101.127
2009	99
2010	90.7
2011	65.1
2012	62
2013	73.4
2014	76.14
2015	80.6
2016	83.9
2017	59.9
2018	66.7
2019	66.5
2020	27.8