Year % of merchandise exports 1962 35.943970087301366 1963 19.119444162037762 1964 31.886665218132492 1965 20.739831593315017 1966 26.24612256360674 1967 24.152411065080557 1968 17.499529853965193 1969 17.89107450945347 1970 26.281249596332383 1971 27.272229810599107 1973 16.7303207274652 1974 31.505449712505847 1975 25.651220135639864 1976 37.30130365017118 1977 43.014931564114136 1978 32.48936841413651 1979 29.248205365033066 1980 30.982126283822915 1993 5.271725227128247 1994 4.171851370799923 1995 4.2112904596865635 1996 1.2539485777893191 1997 2.1768817573401575 1998 5.713815833554543 1999 12.2726531738269 2000 10.647418098836663 2001 2.711326252535552 2002 2.1261856476934726 2003 1.3857135166363383 2004 1.8897069422992259 2005 0.8354663735106843 2006 0.24982720031904815 2007 2.6995422188999076 2008 1.4409082478944495 2009 3.5423713338046254 2010 1.5240897231667125 2011 1.2080835067689037 2012 0.4310909999363188 2013 0.1259059831903546 2014 0.10284898598995953 2015 0.5213379551366767 2016 0.35055128445214095 2017 1.3835057802684596 2018 0.20824081513342393 2019 0.5847724666006441 2020 0.7207904240014783 2021 0.19722305408062013 2022 0.18821737377853962