Year	million ton-km
1995	8452.5
1996	7591
1997	7764.5
1998	7925.5
1999	7563
2000	8095
2001	7561
2002	7514
2003	8109
2004	8749
2005	9545.5
2006	10167
2007	10029
2008	10021
2009	7632.5
2010	8413.5
2011	8539
2012	9230
2013	8930
2014	9596
2015	8468
2016	9455
2017	10362
2018	9637.54
2019	10270
2020	7623.5
2021	7973.3