Year % of commercial service imports 1978 54.145609602021395 1979 63.52368591823492 1980 58.83116883116882 1981 58.1846799580273 1982 62.97938144329899 1983 66.99112734864315 1984 69.50118764845608 1985 66.3543605210806 1986 52.00067533344591 1987 51.21827176476027 1988 52.01302931596085 1989 57.83345988357378 1990 57.616487455197245 1991 51.29182549767049 1992 48.58387799564273 1993 55.64544495251485 1994 49.06542056074769 1995 57.12146134881981 1996 54.30688017879446 1997 55.45039122947699 1998 54.43948687416926 1999 46.057703159461326 2000 49.80195025952788 2001 30.47689735425496 2002 37.400740821952056 2003 37.921625936594594 2004 37.1514437972488 2005 34.74421260542738 2007 50.34769922153721 2008 45.65571267907898 2009 39.76758851798838 2010 33.84623625065704 2011 43.88471986736905 2012 51.35037875974126 2013 50.320078741948684 2014 45.31331931595655 2015 50.64499010433616