Year % of total merchandise imports 1967 16.873760435404268 1968 18.901919902701763 1969 18.12512297571283 1970 14.811769920361447 1971 11.940681018480037 1972 12.883289903704952 1973 13.523618202617113 1974 11.511488175350895 1975 12.24133688917044 1976 10.100507487260716 1977 10.046004018489443 1978 9.985393392826758 1979 8.465859933155881 1980 7.565349445862549 1981 7.705156355824356 1982 8.159089646353825 1983 7.439201339556008 1984 8.826960356055496 1985 9.06204941370473 1986 9.49306518787993 1987 9.436729311743374 1988 8.96506688055892 1989 8.329550298335029 1990 6.395151760190772 1991 6.795575795991062 1992 7.6397689134917455 1993 7.429413806780046 1994 7.317765932081084 1995 7.2952777781997336 1996 8.867360846686326 1997 10.10750314707687 1998 12.35614835973442 1999 12.733692169232514 2000 13.66629051977715 2001 15.320298200157731 2002 18.732692402873017 2003 21.330996901284525 2004 22.910725039546723 2005 24.670093379045674 2006 24.958042516631412 2007 25.81334162142303 2008 26.091902972669796 2009 28.195412000710675 2010 28.32235564573406 2011 28.23794020571307 2012 29.82884573227802 2013 30.542594090278385 2014 29.973199776991876 2015 33.396385766321735 2016 34.596514741849845 2017 33.98350572280973 2018 33.63717345267979 2019 34.14939621549052 2020 34.12345019256939