Year % of commercial service imports 1977 5.203895313451004 1978 2.874389192296637 1979 3.9073402176946694 1980 3.515203795557473 1981 4.031739223675745 1982 5.072904009720534 1983 6.9786535303776684 1984 11.230636833046471 1985 7.005988023952097 1986 6.270411495754409 1987 3.9559543230016314 1988 4.782608695652174 1989 5.14189379039056 1990 3.4416299559471364 1991 4.420731707317073 1992 3.817709374375375 1993 4.962598066046342 1994 5.185308293169354 1995 8.654275092936803 1996 7.818865559385772 1997 6.798595595276093 1998 5.29574496113819 1999 4.225352112676056 2000 8.205912334352702 2001 10.181396389167746 2002 11.428400290943076 2003 13.088934622691722 2004 13.28602702498679 2005 9.140537513997762 2006 10.920063766795717 2007 10.411502231036192 2008 10.608118763831115 2009 10.243893307635533 2010 10.58793124669906 2011 12.254339477578332 2012 14.835257807186727 2013 14.147025581313816 2014 14.673473744518676 2015 13.542131199405514 2016 13.229172901812595 2017 14.942798137368198 2018 14.691730966876971 2019 13.925295305997412 2020 16.837215512629857 2021 13.398813467945518 2022 11.538960714283139 2023 12.723228026784517