Year % of commercial service imports 1977 61.56001098599286 1978 53.86303055156859 1979 64.59250302297461 1980 41.355223880597016 1981 62.2258495325716 1982 61.028786391887465 1983 63.98165400601978 1984 57.87240062243599 1985 62.28760822510823 1986 57.955485522946624 1987 58.56916996047431 1988 56.847320525783616 1989 49.950273495773246 1990 54.46105652854906 1991 57.70289031932349 1992 64.10970927043336 1993 55.590304925723224 1994 60.62068965517241 1995 57.21649484536082 1996 57.9100145137881 1997 51.30568356374808 1998 48.80677444187837 1999 48.65819209039548 2000 47.547683923705726 2001 47.99196787148594 2002 47.16417910447761 2003 47.967000589275194 2004 54.563013037180106 2005 61.60949868073878 2006 51.497743126795235 2007 57.93031326582554 2008 58.70060627947834 2009 54.63832301926415 2010 46.40967652847462