Year % of merchandise exports 1962 8.549708441159302 1963 9.21691301557899 1964 9.329002410462502 1965 18.844250899178938 1966 13.216573144058257 1967 21.319134697932068 1968 20.480072528988828 1969 18.76410401964741 1970 19.114205044021656 1971 16.466140763814003 1972 15.124309534443938 1973 21.75845014886609 1974 22.423215680282354 1975 19.627393241693568 1976 25.720202881511824 1977 33.44437438101919 1978 38.04500495352087 1979 33.75783345234623 1980 35.71671986293128 1981 33.29796190181274 1982 41.35437184232623 1983 43.397850739791764 1984 41.91114595476791 1985 44.50423367127512 1986 59.76447137877767 1987 60.29041303724888 1990 69.10394527693241 1991 68.85511142889014 1992 72.86257794967877 1993 75.20383924362271 1994 75.80763254376535 1995 79.3959735383303 1996 79.81608616840349 1997 77.99035668632449 1998 82.26679139624824 1999 79.64459553573103 2000 77.00035769192621 2001 80.72687038275323 2002 81.29591305626226 2003 80.84781633683963 2004 77.5325620517809 2005 74.8686443763388 2006 73.30562408781543 2007 69.77524920629453 2008 71.55628845963287 2009 75.3739256444546 2010 76.02633776256783 2011 73.22926543451294 2012 71.32234950615228 2013 73.11759133673581 2014 76.8590126035988 2015 76.52192608190035 2016 81.67853472197734 2017 81.08295770565803 2018 78.95067062057781 2019 81.67957181294048 2020 78.53886216680976 2021 80.1895066424691 2022 78.10433865408356