Year	million ton-km
1995	3004
1996	2785
1997	2818
1998	2652
1999	1232
2000	1538
2001	2049
2002	2715
2003	3000
2004	2968
2005	2980
2006	3656
2007	3092
2008	2873
2009	1058
2010	959
2011	1196
2012	960
2013	1227
2014	1182
2015	963
2016	790
2017	987
2018	1012
2019	940.3
2020	599
2021	664.5