Several organisations, including Surfrider Foundation Europe, have introduced tallying systems to gather data on container losses. Surfrider Foundation Europe has been conducting studies on losses since 2014 to quantify and pinpoint their causes and effects. The first of these studies, carried out in 2014, helped record, count and trace 13,441 containers lost at sea between 1994 and 2013. The new survey conducted by Surfrider Foundation Europe for the period 2015 to 2018 identified and traced the loss of an additional 2,563 containers, due to incidents at sea, i.e. a total in excess of 16,000 containers. By including recent accidents from early 2019 (MSC Zoé, Grande America), in all, 16,635