Year % of merchandise exports 1962 34.886205265996445 1963 29.313335929109925 1964 26.228137673216768 1965 29.508774459698035 1966 29.873087520223436 1967 21.282910022951228 1968 23.64746983042342 1969 28.79857263041874 1970 24.74002976532811 1971 20.99648071688796 1972 17.78972356284423 1973 22.94808799325489 1974 15.273994593279019 1975 12.34094049564699 1976 13.19991575108817 1977 12.091061467744463 1978 12.420804712521619 1979 13.797899062914473 1980 11.237192525631894 1981 8.980067418361697 1982 7.99254834453699 1983 10.002073262611662 1984 9.517464611733132 1985 9.228846220577482 1986 8.21343593192336 1987 8.197679031621446 1989 6.404410875377356 1990 5.102139391621143 1991 4.5373121450964 1992 4.494900578608365 1993 3.9855366708518503 1994 4.58195314492175 1995 5.392945268220124 1996 5.393285740671084 1997 4.010473305562829 1998 3.413738574284711 1999 3.0573519585857216 2000 3.336647302361722 2001 3.138754771698725 2002 3.693443030629838 2003 4.683439306867528 2004 4.804615123751386 2005 4.53682660681886 2006 5.259755297289674 2007 4.733941573787106 2008 4.757721870215761 2009 3.846152938596032 2010 5.190191561994362 2011 7.0518760386605175 2012 4.934896779294361 2013 4.809587975659458 2014 3.911260683071744 2015 3.7581469796811255 2016 3.8629822622256507 2017 4.920355154257605 2018 4.042967036546258 2019 3.851015231541779 2020 3.6297750153612918 2021 4.166464909676798 2022 4.1091339011464445