Year % of total merchandise imports 1963 0.6329113924050633 1964 0.4510756419153366 1965 0.7483629560336763 1966 2.083333333333333 1967 1.6796875 1968 1.9690122659780502 1969 8.015943312666076 1970 2.6651651651651656 1972 2.491521001826246 1973 3.043867502238138 1974 6.160885294743562 1975 6.282161234991424 1976 7.211710103534452 1977 3.262527872315456 1978 0.5182072829131652 1979 0.22013501614323452 1980 1.6171856142891623 1981 0.7993024269728237 1982 0.33641715727502103 1983 0.336417157219247 1984 0.33641715726793825 1985 0.33641715727775623 1986 0.33641715727023214 1987 0.3364171572637491 1988 0.3364171572984829 1989 3.480266182256104 1990 13.860887717407385 1991 11.351481846146688 1992 5.421526443608654 1993 12.80771002058348 1994 11.04490704808838 1995 11.305997915671599 1996 10.198069135590249 1997 8.76944378201703 1998 10.48471677703029 1999 5.629249375852201 2000 16.418793870743293 2001 16.418913900434912 2002 16.409480086642965 2003 16.337350618711607 2004 16.352025922356557 2005 16.39568926235485 2006 16.419045723320224 2007 16.41897501681788 2008 16.418719149299896 2009 16.41828379816643 2010 16.41725561493064 2011 16.415149443652655 2012 16.41081545764742 2013 16.401520038521756 2014 16.382732653370944 2015 16.342918619069877 2016 16.330993195803327 2017 12.39503508039611 2018 22.319112922651332 2019 23.6227148796164 2020 26.393897531525635