Year % of commercial service imports 1968 3.368107302533532 1969 3.329032258064516 1970 4.111374407582939 1971 4.3433298862461225 1972 4.457478005865103 1973 4.36208125445474 1974 5.571192052980132 1975 4.965724078834619 1976 4.208425720620842 1977 3.9332247557003255 1978 3.5245335176226673 1979 3.6090882609962134 1980 4.146218062231217 1981 3.9197786998616877 1982 4.590525156077855 1983 4.664383561643835 1984 3.909028727770178 1985 3.944341372912801 1986 3.7631293009779063 1987 4.508150646430579 1988 4.104002039255672 1989 4.670437241679356 1990 4.06113537117904 1991 3.6980813830908703 1992 4.243866715488831 1993 14.056175640868393 1994 12.848365152512617 1995 10.24247491638796 1996 12.91583348482094 1997 14.054147266770133 1998 13.227146814404433 1999 7.032015681149952 2000 7.143390311263715 2001 8.570284341209451 2002 9.198929807994965 2003 10.850016966406516 2004 9.649956747775294 2005 8.386916410399776 2006 8.653852520343506 2007 7.940167908241694 2008 7.404475406375344 2009 8.678920160827111 2010 18.064148485835233 2011 22.5640654408571 2012 22.253531174204593 2013 20.046248910117896 2014 18.542249283160466 2015 17.008623253047876 2016 13.989284276378951 2017 14.28526108749445 2018 11.97046559188335 2019 11.211453744493392 2020 18.52760334903192 2021 14.072638999113021 2022 15.118011991820607 2023 13.917300622429293