Year	million ton-km
1995	25459
1996	24286
1997	21010
1998	18757
1999	16713
2000	17496
2001	16882
2002	15810
2003	15862
2004	15092
2005	14866
2006	15779
2007	16304
2008	15437
2009	12791
2010	13770
2011	14316
2012	14266
2013	13965
2014	14574
2015	15261.102013
2016	15618.690243
2017	15842.778
2018	16564.19
2019	16179.68
2020	15250.611
2021	16326.011