Year % of commercial service imports 1976 4.844290657439444 1977 9.757330637007072 1978 9.979906229068987 1979 8.574108818011254 1980 13.80354169819887 1981 15.08344030808729 1982 25.426136363636374 1983 24.093816631130068 1984 15.019762845849797 1985 14.566284779050747 1986 16.785714285714278 1987 13.77633711507292 1988 10.877192982456137 1989 8.919382504288166 1990 27.152317880794698 1991 29.29642445213379 1992 29.27927927927928 1993 39.0475389774776 1994 28.29534421378706 1995 31.82200487301546 1996 34.547565087612625 1997 36.0166866300442 1998 37.66183463405388 1999 40.49007861896475 2000 36.60757808202385 2001 30.452763035873474 2002 26.79698380342009 2003 27.519915364267504 2004 24.04700339094738 2005 22.487560230316575 2006 21.576255568116622 2007 20.554590837123357 2008 18.84283195487295 2009 19.22948529805484 2010 14.419770815314777 2011 12.440356147133826 2012 12.927366165057549 2013 13.84374669187784 2014 14.16659182285639 2015 15.69093450229552 2016 20.107618207949372 2017 19.29217052363323 2018 19.32930851339691 2019 17.71965638306395 2020 24.76267113573877 2021 18.2027696500614 2022 14.709525584655964 2023 18.244107130827203