Year	million ton-km
1995	2355.5
1996	2541
1997	2583
1998	2694
1999	2927
2000	2282
2001	3409.5
2002	3894
2003	3000
2004	3600.5
2005	3759.5
2006	5744
2007	5194
2008	5451
2009	5433
2010	4736.5
2011	5047.349612
2012	4609.3693735
2013	4351.731506
2014	4251.9
2015	4105.5623085
2016	3424
2017	3574
2018	3186
2019	3007.41987616355
2020	2836