World seaborne trade (total) tonne miles
![](/sites/default/files/images/2012/4_world_seaborne_trade_total_tonne_miles.jpg)
Between 1992 and 2008, world seaborne trade rose from 17,541 billion tonne miles to an estimated 32,746 billion tonne miles, an increase of around 85%. The carriage of oil and petroleum products accounts for a significant part of this increase, rising by about 40% from 8,043 billion tonne miles to an estimated 11,292 billion tonne miles during the same period.
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http://www.marisec.org/shippingfacts/environmental/reduction-in-marine-pollution.php?SID=48adffcc673031547a190b20c364718b