Year % of total merchandise imports 1963 4.526432658638654 1964 7.199341021416804 1965 3.5694538305584564 1966 3.247604639435199 1967 3.004085556356645 1968 3.587223587223587 1969 3.610573823339781 1970 4.34463525612799 1971 7.041812158653416 1972 7.215377824150247 1973 7.103946991175815 1974 6.257566925249988 1975 7.1644389819224665 1976 5.9690622934901345 1977 5.826994972283099 1978 9.5472868530324 1979 5.345934430448521 1980 8.438740153704126 1981 6.651029163174567 1982 4.4502190715535255 1983 0.5298584785172967 1984 6.052354423732061 1985 4.909875027989117 1986 3.1518979100613174 1987 2.9395124771450454 1988 2.6070879844130106 1989 8.72015982332715 1990 9.36546092590277 1991 6.965698503577247 1992 7.455704513988112 1993 7.470753625978567 1994 21.83454275480317 1995 19.38447644280088 1996 11.902015811191715 1997 10.447436501920034 1998 11.37054944347551 1999 8.422187834892055 2000 15.624753579166988 2001 10.845192261699172 2002 8.675209135556468 2003 9.290268561429867 2004 16.21069911983651 2005 16.197029084543335 2006 13.51867803264127 2007 11.54400116674519 2008 9.135359724018057 2009 7.91213217727405 2010 5.551084542073637 2011 28.21432069269273 2012 34.62081465422032 2013 29.94698405839984 2014 26.597619176950488 2015 34.23159604139801 2016 22.603739304686762 2017 37.43951709239486 2018 39.92752962583773 2019 18.82097510673637 2020 17.83652576224607