Year % of merchandise exports 1963 60.09425782426493 1964 62.55076862885113 1965 60.73618531941079 1966 61.49799915192141 1967 60.79090924848454 1968 58.42615019083248 1969 55.998538911226035 1970 59.366828868760834 1971 53.32914538984737 1972 54.30238277064435 1973 57.3515194687014 1974 56.451329574631195 1975 55.672621456688645 1976 64.89815388187166 1977 69.70683092724008 1978 46.92809963029638 1979 64.98668774760624 1980 46.79503386568316 1981 44.573257063015056 1982 43.229025948018226 1983 48.749659298928805 1984 68.48392603905086 1985 67.58750323039575 1986 81.72079352894347 1987 70.97163027548906 1994 51.0129809528434 1995 57.11833684098211 1996 52.421953885936865 1997 55.115171879653225 1998 46.64833006260872 1999 42.092849150110936 2000 19.23124519672138 2001 14.748382722853204 2002 13.502366834153861 2003 13.59035379655813 2004 14.263702153763685 2005 17.252678012760295 2006 17.753928123512367 2007 19.149337445224667 2008 19.626211827073835 2009 22.445570500438194 2010 21.157323124880023 2011 24.33853908235295 2012 22.727475416794434 2013 21.842709340896928 2014 19.106323239890667 2015 19.602486614161077 2016 18.154268755008353 2017 18.73466941004901 2018 17.606785503154356 2019 18.823153892930407 2020 20.405866609974918 2021 18.106864203737796 2022 19.087083822761794