Year % of commercial service imports 1970 2.207505518763797 1971 2.5 1972 2.264808362369338 1973 1.763409257898604 1974 1.4057507987220448 1975 2.0706455542021924 1976 2.8221512247071354 1977 3.0806845965770173 1978 3.4408602150537635 1979 3.2983508245877062 1980 2.97680858428522 1981 3.154278575890069 1982 3.2318879612173443 1983 3.4604698156100024 1984 3.139776811045962 1985 4.28471493529206 1986 6.112710312023768 1987 7.1650880478570755 1988 5.260895727671279 1989 3.3524121013900245 1990 4.443542660038551 1991 5.120541940625623 1992 5.014107292459098 1993 5.258028671876423 1994 5.534578696343402 1995 5.8803500816392855 1996 5.959413964639758 1997 6.078591356529978 1998 6.9492841280444875 1999 11.985361390667887 2000 13.43471583669633 2001 15.81396698852532 2002 17.344927752818435 2003 17.926050287902832 2004 18.209746925000662 2005 17.797294639847173 2006 20.61917466154415 2007 22.65764101185877 2008 22.45245935114991 2009 23.62948407390961 2010 22.414892828005637 2011 20.752361230838424 2012 19.80373514431239 2013 18.663699633283755 2014 18.353686095504113 2015 17.40533874184895 2016 17.480934198829505 2017 17.11358464300656 2018 15.69497549878139 2019 16.788742982807438 2020 23.416465006146023 2021 20.601127582326427 2022 17.460965252632974 2023 17.235814762358277