Year % of total merchandise exports 1966 0.014488554042306579 1972 0.0038236027039463536 1978 0.004182227011282172 1979 0.00036346084509008013 1991 0.00014366301223405297 1993 0.058260648240818884 1994 0.00044091904908882487 1995 9.701409406416364E-06 1996 0.00799531793832777 1997 0.002883142624929098 1998 0.04190248420686318 1999 0.16726329480839877 2000 0.025774226895617276 2001 0.02349852369064934 2002 0.2703489886256401 2003 0.02718185266031851 2004 0.016588440055510585 2005 0.0037505504003693484 2006 0.06699366130753867 2007 0.014345119307737962 2008 0.017931594252417922 2009 0.010006000190959588 2010 0.09919468905597636 2011 0.01120995154965449 2012 0.007395836529752273 2013 0.011185420695708078 2014 0.01122706341758341 2015 0.012016073677823176 2016 0.001332488879723597 2017 0.00413094622903531 2018 0.008788565890384152 2019 0.009696061336674288 2020 0.02399267958938348