Year % of commercial service imports 1976 26.44553664949234 1977 30.525124578752013 1978 28.31826734974753 1979 26.15826388647656 1980 26.433609260556892 1981 13.832130296286621 1982 16.558103858453535 1983 49.25182192052172 1984 45.74014141311413 1985 58.40970538016259 1986 33.935888254193785 1987 69.7366254017839 1988 53.386806286240635 1989 43.679632108652726 1990 39.52805664989233 1991 48.59996457606469 1992 4.942676810272928 1993 73.97593440210447 1994 68.60177440649574 1995 80.8151138904982 1996 77.89520215755766 1997 66.77259443726437 1998 46.10674995980213 1999 11.001573563327497 2000 10.000563721575631 2001 9.488447702958268 2002 15.465534422104184 2003 38.596062100333015 2004 42.34564824861047 2005 53.0366822216843 2006 46.78635042434378 2007 45.64925337361166 2008 15.62939917081394 2009 13.925496557059589 2010 33.377875218251845 2011 18.048262789940722 2012 27.76985176717021 2013 50.40912352154 2014 34.48441827333605 2015 38.61449330907775 2016 42.339407960134025 2017 41.568136332200204 2018 50.111092843948384 2019 48.29961151880959