Year % of commercial service imports 1970 21.37153593236261 1971 23.201622514716856 1972 20.211927359829613 1973 20.434052036714174 1974 15.21319172669417 1975 13.686877117836444 1976 11.68525276711425 1977 12.001239283932485 1978 13.5452039699289 1979 13.441697971732811 1980 13.578544571046654 1981 10.980218370562463 1982 10.935229526630401 1983 11.09996147858744 1984 12.818302306324977 1985 12.91628911927172 1986 16.442404501468737 1987 19.042801915546086 1988 22.77452340178203 1989 22.977413510662327 1990 23.878798811643804 1991 30.257971185684244 1992 36.28114851804263 1993 35.342161466091135 1994 31.171274079135546 1995 30.1608995706389 1996 30.73653882275543 1997 31.27186584254401 1998 30.104677024318864 1999 28.247142709842315 2000 27.171496865530248 2001 24.690743642499786 2002 26.14751028464396 2003 26.769734397056173 2004 23.834769462706877 2005 24.01984544815268 2006 22.1699387898203 2007 21.76480846745209 2008 23.796014118179283 2009 25.85342120257349 2010 24.1342512007824 2011 24.447470065125913 2012 24.49512008934169 2013 24.70913470733663 2014 25.050052874349106 2015 24.064328592015098 2016 24.15597605191337 2017 24.30295482562021 2018 24.088720939074193 2019 24.98345961413625 2020 11.631325112914395 2021 13.051721284827767 2022 19.61968009871445 2023 21.93454305348713