Year	million ton-km
1995	403
1996	481
1997	472
1998	466
1999	355
2000	337
2001	332
2002	395
2003	562
2004	715
2006	751.8
2007	848.9
2008	945.5
2009	744.5
2010	737.7
2011	798.3
2012	922.7
2013	1002
2014	1010
2015	918
2016	807
2017	935
2018	949
2019	870.4
2020	937
2021	1003