Year % of commercial service imports 1974 5.5480517665637 1975 6.7292526056448825 1976 7.740231594626547 1977 6.4454401448000755 1978 6.94173635127364 1979 4.983388704318934 1980 6.0595177013853325 1981 12.001414427157009 1982 11.635599894985564 1983 9.237441272135879 1984 8.23818134848875 1985 5.7172251616695995 1986 5.309663641217313 1987 4.264120922832139 1988 4.325860948667967 1989 3.668760831889082 1990 3.8471177944862154 1997 10.512875079804214 1998 11.015103464462918 1999 9.691255806450059 2000 9.594285453044481 2001 9.50750514309194 2002 9.45121518515471 2003 9.156459597991349 2004 9.135705227120175 2005 6.908964252974068 2006 7.475312560641433 2007 7.01439410066427 2008 7.3812271035830195 2009 7.333621103460897 2010 6.900310500073875 2011 7.489134918123518 2012 3.75495950535551 2013 1.8189895179133437 2014 1.376215445788682 2015 6.343660764559364 2016 1.5482773491784219 2017 1.8601079243622538 2018 2.6994822524007387 2019 3.46481313879132 2020 4.879221533844072 2021 4.395264832992732 2022 3.3365959197595636