Year	million ton-km
2001	51
2002	66
2003	55
2004	94
2005	132
2006	133
2007	183
2008	185.9
2009	104
2010	150
2011	136
2012	73
2013	104.7
2014	94.4
2015	111.9
2016	112.5
2017	168.9
2018	112.856
2019	130.33