Year % of total merchandise imports 1967 4.022877173562105 1968 3.885848318999218 1969 3.7983454954531064 1970 3.0482835532806223 1971 3.130108331255368 1972 2.958838710483725 1973 2.4134371250802156 1974 5.055518169582773 1975 7.038521254422407 1976 7.13842835259423 1977 6.436390386367878 1978 5.9139069388965355 1979 7.317685404511405 1980 8.505698314738995 1981 7.492569377639542 1982 4.731896760665791 1983 4.9005071650845755 1984 4.056592976562239 1985 3.880718257401292 1986 2.0987623559073487 1987 2.064164063120809 1988 1.659053092233792 1989 1.1954356410804925 1990 1.0929673679404124 1991 0.8298171058376805 1992 0.7947857598893527 1993 0.814690050922518 1994 0.5585191845616774 1995 0.5687677284193867 1996 0.6452671057895503 1997 0.7696958061366195 1998 0.8359221311192178 1999 1.0498569684549517 2000 1.9178808568883863 2001 2.2874119565998834 2002 1.5752580617270622 2003 2.112915012354357 2004 2.193218488692034 2005 3.0133719916555908 2006 3.8078402947668537 2007 3.2955004796505696 2008 4.447589923898634 2009 3.2964491035808314 2010 3.6318684723950585 2011 4.540273934129184 2012 5.269018934137707 2013 4.847018095459883 2014 5.477342833830236 2015 4.270814891718804 2016 3.8731494532906496 2017 3.842487010390662 2018 4.792418689452937 2019 5.124728253960504 2020 4.8923903778353415