Year	million ton-km
1995	1985
1996	1757
1997	1983
1998	2058
1999	1938
2000	2025
2001	1961
2002	1906
2003	1985
2004	2147
2005	1967
2006	1885
2007	1776
2008	1863
2009	1696
2010	2240
2011	2614
2012	2278
2013	2448
2014	2453
2015	2603
2016	2575
2017	2653
2018	2592