Year % of merchandise exports 1962 77.09869345586515 1963 78.21006264713195 1964 77.09985369753639 1965 74.96340025516666 1966 72.0161352093086 1967 68.85670762660911 1968 58.25509744345697 1969 61.97737248272384 1970 65.81096212599444 1971 64.3349707836 1972 53.63095320552007 1973 32.73647999547029 1974 52.65739625747741 1975 58.86731414928646 1976 64.20011524575237 1992 53.39322883498667 2010 17.311045957396413 2011 28.405115801122317 2012 33.51604597290427 2013 28.56168196122777 2014 26.90328159076223 2015 31.90165251355 2016 37.32330948581017 2017 32.04122199002165 2018 27.627218892795725 2019 23.990825000478726 2020 28.500884107542714 2021 32.045420435920136 2022 26.739602664785135 2023 28.447664150486833