Year % of merchandise exports 1971 5.625363811617119 1972 10.95052095978505 1973 8.408120386652639 1974 5.144411957049886 1975 0.8894264536671381 1976 0.8156980389384169 1977 0.5441850884080017 1978 0.43903882225606444 1979 0.360193592111094 1980 0.9228470287362648 1981 2.2823870525709213 1982 2.159297353438723 1983 2.4268650788769373 1984 0.9449437486150992 1985 1.6970535718826845 1994 0.7090510459012959 1995 1.5022670548106551 2012 23.540941520040672 2013 1.9930862274558556 2014 23.796614129037547 2015 44.83761538220664 2016 66.14360588401 2017 47.75415370554291 2018 19.299310308708048 2019 14.47705011435364 2020 16.663522391184863 2021 8.080585546599812 2022 8.262158398491188