Year % of total merchandise exports 1983 0.0023101090373297524 1985 0.0015992950496937484 1986 0.04602576077364071 1987 0.006991843839412523 1988 0.004751916981125227 1989 0.006202868747564438 1990 0.009346690097623966 1991 0.008109800713009745 1992 1.7021384614633344 1993 0.0003405842693485179 1994 0.6718516488630822 1995 0.9945935152473109 1996 0.37129064476067297 1997 0.19441631585884253 1998 0.04944920732152415 1999 0.12446834711594296 2000 1.1292756365415713 2001 1.3794590362258137 2002 0.687940993656001 2003 0.8902614899693542 2004 0.5753188107898859 2005 0.9923739876715709 2006 1.2215820686439107 2007 1.8700593653969502 2008 2.8499679430383655 2009 0.7390119359232686 2010 0.9342320033992633 2011 2.2533878556715914 2012 2.6311643056200666 2013 1.627286870843696 2014 1.827035958426423 2015 4.436424990007532 2016 2.451778889053048 2017 4.777728292528467 2018 1.2408738825466974 2019 0.7645924597424079 2020 0.9163954750163033