Year % of commercial service imports 1977 3.801396431342108 1978 2.3214285714285627 1979 2.0024271844660206 1980 2.4935064935065023 1981 1.5764582238570695 1982 1.7968555028699789 1983 1.6461808604038624 1984 1.6906335016929646 1985 1.529497450837583 1986 1.7184643510054831 1987 1.8741215055442746 1988 1.6896398399288557 1989 3.293827920578723 1990 3.250000000000012 1991 2.6320469500266714 1992 2.7435647384589483 1993 3.7145039227938623 1994 5.084493035299566 1995 7.5104852681011804 1996 7.506352949306061 1997 10.522936144220928 1998 10.344228041921987 1999 11.103190526094838 2000 15.40678938512208 2001 8.541818116983793 2002 8.194972956922767 2003 7.203072183100505 2004 6.2580010612355 2005 6.507600110375529 2006 8.385585308963101 2007 6.1664353840055295 2008 6.6006001921681 2009 6.321347305520794 2010 5.782316530952323 2011 5.032484591423436 2012 5.061454647744952 2013 6.199143293140043 2014 6.3906433360994646 2015 7.624231253980749 2016 8.847963795294122 2017 7.1124090243874045 2018 9.988122402622981 2019 10.875305992318342 2020 5.996707784772023 2021 9.829757814508433 2022 7.105088348495056 2023 8.477599762421617