Year % of commercial service imports 1977 5.452752104947649 1978 5.068611682451635 1979 5.2231450788786296 1980 5.990299188493955 1981 6.058529346857499 1982 5.8480864672853805 1983 6.037066378238108 1984 6.183119763609278 1985 5.937966385419275 1986 6.644299373631162 1987 7.134442320894342 1988 6.583716225887238 1989 6.552907098288651 1990 7.104336232280614 1991 7.519747213636665 2005 8.630698998079847 2006 9.010831942530386 2007 9.933155919808943 2008 10.512039796376195 2009 11.190857467447499 2010 11.573900819961105 2011 10.988622884108084 2012 11.616650213098767 2013 10.8664729707661 2014 11.099834288769495 2015 11.419927675204383 2016 10.531914408604681 2017 10.262098238838805 2018 10.015263512973988 2019 10.125354547893235 2020 12.436329803555067 2021 10.323953588972664 2022 8.371114353672526