Year	million ton-km
1995	8595
1996	8103
1997	8622
1998	8265
1999	7849
2000	8918
2001	8557
2002	9767
2003	10113
2004	10488
2005	10639
2006	10418
2007	10137
2008	9874
2009	7673
2010	8809
2011	9118
2012	9230
2013	9722
2014	10158
2015	10009.615
2016	10527.534
2017	11344.565
2018	10584.08
2019	10624.909
2020	7623.5
2021	7973.3