Year % of commercial service imports 1970 6.476399560922068 1971 6.948640483383661 1972 7.884972170686452 1973 7.58965804837363 1974 6.973768394113869 1975 5.925206297349001 1976 5.392105554758845 1977 5.754024265178955 1978 5.781080130007829 1979 4.379095988468467 1980 4.455373041296581 1981 4.294096298939387 1982 5.524269649651411 1983 5.725718163935058 1984 6.051155067288427 1985 5.468372098040585 1986 6.225446637555819 1987 7.329901488627247 1988 7.1165748806646665 1989 6.587376805229593 1990 7.959013521726087 1991 9.984605795080986 1992 10.603912796711388 1993 2.670966827244082 1994 2.5459308335666333 1995 1.4227561598000653 1996 1.4206763978498576 1997 1.6167167320676603 1998 2.4536447986648344 1999 2.1860641286768523 2000 3.1476152334176404 2001 2.4896423582156118 2002 2.6049081627523605 2003 2.7851031015239758 2004 2.3049589094800806 2005 3.134455688132464 2006 3.2351005523402905 2007 1.9250938865241547 2008 1.8977641500706754 2009 1.9667193553393014 2010 1.7643076257716481 2011 1.8080851412107166 2012 1.600398564930325 2013 3.2525856989581667 2014 3.3100205967422913 2015 3.8076311108603065 2016 3.8140559726350074 2017 4.2431621145701115 2018 4.308914371377905 2019 3.6268446697040866 2020 3.7638145513825507 2021 3.5453399814088185 2022 3.196242080541672 2023 3.065709538825967