Year % of commercial service imports 1971 20.121951219512205 1972 20.000000000000004 1973 20.43010752688163 1974 16.16541353383461 1975 15.614617940199288 1976 15.384615384615385 1977 13.646055437100246 1978 14.448669201520925 1979 13.750000000000037 1980 13.242574257425785 1981 13.157894736842094 1982 12.170385395537542 1983 15.29680365296807 1984 16.17336152219871 1985 18.649193548387043 1986 18.37686567164177 1987 15.728476821192034 1988 15.627347858752803 1989 16.873278236914608 1990 15.829781134709345 1991 16.645588824293345 1992 18.315295480247624 1993 13.59610282322397 1994 12.844649462348793 1995 12.119030788346368 1996 11.237138258956827 1997 9.396130663209183 1998 8.577333169597814 1999 6.8983706910280596 2000 9.234743841578577 2001 9.459121947115252 2002 9.087883983762923 2003 8.242643467511456 2004 58.471384900387505 2005 53.115565095349915 2006 42.82880512752706 2007 42.11687704115154 2008 36.75227275666012 2009 29.852432962808784 2010 35.09342000831008 2011 37.630496316033906 2012 35.148139151715874 2013 34.29360036914495 2014 33.27645174354875 2015 27.583361638376292 2016 27.139444045470125 2017 26.73272656999116 2018 26.359554106504223 2019 21.88225238321113 2020 21.207548033143876 2021 19.021908914783175 2022 18.019874329194245