Year	million ton-km
1995	19391
1996	18846
1997	19181
1998	19163
1999	19090
2000	20088
2001	19547
2002	19197
2003	20170
2004	20856
2005	21675
2006	22271
2007	23250
2008	22924
2009	20389
2010	23464
2011	22864
2012	22043
2013	20970
2014	21296
2015	20699
2016	21406
2017	21838
2018	22794.306069132
2019	22222.065674494
2020	22093.897979015
2021	23246