Year % of total merchandise imports 1960 2.128699596738226 1961 2.2416556635495124 1962 2.3286887743921043 1963 2.4182964389365296 1964 2.8020780527506792 1965 3.018074788485478 1966 3.2357155663340507 1967 3.1149612553572217 1968 2.918065912953824 1969 2.774826313996501 1970 2.511953354318489 1971 2.487880558166239 1972 2.318605736849614 1973 2.4039851437917696 1974 2.3508331194615177 1975 2.224843450725607 1976 2.1492079791179908 1977 2.353801957622411 1978 2.4240802167509004 1979 2.747344353090913 1980 2.8283809091976435 1981 2.8189107850396877 1982 2.989348489372522 1983 3.075376439134289 1984 3.4302997985465487 1985 3.4010254995339397 1986 3.3974171442200642 1987 3.8630214504954608 1988 3.8983830140160025 1989 4.065954351505282 1990 4.143219673625009 1991 4.03549340130684 1992 4.399211323825996 1993 4.659918402670303 1994 4.8316995043124065 1995 5.604543263082898 1996 5.524128942589332 1997 5.937756061394598 1998 6.384696641953341 1999 6.99208741032203 2000 7.6744340505224145 2001 8.188872347470411 2002 9.357365500323363 2003 10.368140551653692 2004 10.998153021764843 2005 11.86572361194516 2006 12.858520947898361 2007 13.824185226885948 2008 13.883304442619282 2009 15.017028648688802 2010 15.812750147868165 2011 15.882559070401344 2012 16.25322521008456 2013 16.633177341487706 2014 17.669330457543676 2015 19.913116054099138 2016 20.754699048794993 2017 20.583513547783816 2018 20.525486037760988 2019 21.55274701393513 2020 22.300071479409013