Year	million ton-km
1995	2124
1996	2224
1997	2175.5
1998	2315
1999	1834
2000	2131
2001	2131.5
2002	2249
2003	2297.75
2004	2082
2005	2070.685
2006	2458
2007	2374
2008	2221.7365
2010	1808.3085