Year million ton-km 1995 46560 1996 48320 1997 52630 1998 52660 1999 52120 2000 55350 2001 50344 2002 49977 2003 46758 2004 45035 2005 39659 2006 41179 2007 42612 2008 40436 2009 32129 2010 29965 2011 34202 2012 32539 2013 32230 2014 32596 2015 36328.056893 2016 34699.8 2017 35464.9 2018 33835.6 2019 33893.1 2020 31281.8 2021 35751.3