Year	million ton-km
1992	19901.5000407247
1993	22543.3000481131
1994	25777.100035734802
1995	27975.600052498306
1996	29574.799915924505
1997	31775.8000399619
1998	29670.573853792896
1999	31304.219413939703
2000	34864.484000000004
2001	32576.111999999986
2002	32960.84300000001
2003	33998.280000000006
2004	37192.49100000001
2005	37481.492
2006	39366.255999999994
2007	39949.088
2008	40790.37699999999
2009	45222.186000000016
2010	41318.05746951433
2011	42779.65871919139
2012	41730.666609837404
2013	42534.48205725348
2014	43950.98871188958
2015	43944.45113246858
2016	46350.97101878113
2017	51926.81753269388
2018	53981.41344933878
2019	55261.87206192994
2020	45233.37445165629
2021	58442.035142368004