Year % of total merchandise exports 1992 1.2079985279495138 1993 1.8620033081434038 1994 2.6959281823444066 1995 0.9069915159287489 1996 1.773852196587121 1997 1.4756465247104813 1998 1.8053460353832718 1999 3.847235189007256 2000 2.8267024601815796 2001 2.6098707909530865 2002 2.767076253406018 2003 2.204059522751368 2004 2.6865955328757867 2005 3.334134515027767 2006 2.66856445984757 2007 2.554213638049903 2008 2.7473425569313292 2009 1.602170759431708 2010 3.250109855405365 2011 2.964876979051978 2012 2.225969366176623 2013 2.5589440585321555 2014 3.3977490977484557 2015 4.912711519498711 2016 3.9011465795784317 2017 2.6576520592228987 2018 3.148632712904119 2019 3.5530267064036147 2020 4.28327095095849