Year % of merchandise exports 1962 5.090761003873074 1963 4.975381986256792 1964 4.8298690447341395 1965 6.026833741235271 1966 5.761257825312642 1967 5.481406159412211 1968 5.565951225730581 1969 5.6832238032430515 1970 4.683553151524871 1971 3.718523474969957 1972 2.8463516433597498 1973 2.688184135801465 1974 1.8789480395788118 1975 1.5595615681160047 1976 1.8087699628207727 1977 1.99877523859069 1978 2.055011964319305 1979 1.177383199828021 1980 0.8791827592529984 1981 0.7250237196301311 1982 0.90278148944308 1983 0.9028888822697362 1984 0.7224489075163786 1985 0.8301134025315803 1986 0.747383790860247 1987 0.8303449572875808 1990 0.9520390574445601 1991 0.7478607739776311 1992 0.6070075336623101 1993 0.6052871003791928 1994 0.5754656612966271 1995 0.6461838721003448 1996 0.7368078464753473 1997 0.6969555319918336 1998 0.596384382299379 1999 0.602041828210061 2000 0.6596128164192856 2001 0.7132115334031451 2002 0.719621273399351 2003 0.7815245627155418 2004 0.6756260315864299 2005 0.6378837540604922 2006 0.6174214213424497 2007 0.48029438127245105 2008 0.4722367657828695 2009 0.4893507187707181 2010 0.5009733852273273 2011 0.4695591220130255 2012 0.49220912677299233 2013 0.4535965973006425 2014 0.507902848801931 2015 0.6306803089049144 2016 0.7149013982701431 2017 0.5574166110820041 2018 0.45605695535096646 2019 0.3799566620189831 2020 0.36414867941981777 2021 0.3908718392594253 2022 0.2868050901312033