Year % of commercial service imports 1976 32.48520710059174 1977 35.73003970004409 1978 41.29870129870141 1979 31.325966850828745 1980 28.891489717438496 1981 33.01457908763133 1982 33.87613454351314 1983 34.64528069093154 1984 38.13485537389957 1985 38.447283721837486 1986 27.01623635879699 1987 25.363791561661763 1988 20.101925254813093 1989 18.16418536380789 1990 21.70062845172351 1991 23.499829109906695 1992 24.658192460577457 1993 23.113824683820294 1994 22.900418220865877 1995 21.455986912477144 1996 25.524785650931335 1997 25.878376182273115 1998 25.831978652271363 1999 24.03282848735179 2000 20.258346782300702 2001 20.298680025370825 2002 21.979690207258667 2003 20.386556031099186 2004 19.375218013383968 2005 18.18896472341794 2006 17.489315589431627 2007 14.04302163011443 2008 16.50209048161132 2009 19.04255273193943 2010 17.278138794510248 2011 17.0735718574119 2012 15.500511823556273 2013 15.608151545520748 2014 14.786382104777065 2015 13.65909717398806 2016 14.463119863220852 2017 14.250656595539363 2018 13.78360699979509 2019 12.794731360861608 2020 8.35045248549825 2021 8.032325911640395 2022 11.13725805528181 2023 11.0953844967985