Year	million ton-km
1993	1165.7000052334
1994	1205.7000286952
1995	1316.4999705702
1996	1267.7999786137
1997	1275.4999824762
1998	1349.4740064016
1999	1477.2189867083
2000	1709.501
2001	1563.1449999999998
2002	1713.861
2003	1830.9489999999998
2004	2061.69
2005	2178.622
2006	2655.8620000000005
2007	1928.889
2008	3166.8229999999994
2009	3415.256
2010	5059.479380852372
2011	5805.670038742233
2012	6433.397061201152
2013	6847.365959029329
2014	7747.787981655942
2015	8657.562998684178
2016	10461.447535190358
2017	12196.928029146002
2018	13336.009711544002
2019	15473.915801743124
2020	13432.650471559999
2021	18735.015055728003