Year % of merchandise exports 1962 0.20504113804770277 1963 0.1851185304323459 1964 0.11045237527591101 1965 0.005970015274607755 1966 0.08902760161784179 1967 0.015953289037352554 1968 0.015988702562082183 1969 0.00644154734103823 1970 0.010791428177386023 1971 0.02339888423936107 1972 0.0240108356389993 1973 0.5156117780359422 1974 0.014863747868225634 1975 0.0014403674108488381 1977 0.05635473910623498 1978 0.1390817863039221 1979 0.5757459560542504 1980 0.11497979391549391 1981 0.17072477124318283 1982 0.004238373529318193 1983 0.0018289727253476943 1995 0.10112009821344278 1996 0.14201487344947752 1997 1.5822315522165096 1998 1.1039462134343627 1999 1.0802573806443965 2000 3.1556679503142595 2001 2.912570515480225 2002 0.0008636729534024871 2003 0.039216857181416785 2004 0.04167415970408036 2005 0.019076586329454196 2007 11.506492307689669 2008 13.965054895169512 2009 9.91899952305688 2010 2.8155583714572474 2011 2.34162617994846 2012 3.123819697091601 2013 4.62626483089881 2014 5.314597334287755 2015 1.526511590007583 2016 0.42321590411197424 2017 0.4698996499420291 2018 0.828034728125843 2019 0.6121528763724098 2020 0.2882040922920224 2021 0.25133230691700215 2022 0.010331318908596865 2023 0.01608659268654821