Year % of commercial service exports 1967 0.26459456476419535 1968 0.18582564012566677 1969 0.17238527543414234 1970 0.13011988166422717 1971 0.10391724183557507 1972 0.0911170216933703 1973 0.07956976029797269 1974 0.6625392784666078 1975 0.7486942190922007 1976 0.8038074925657328 1977 0.8470030281260434 1978 0.685463643372698 1979 0.9298350592660116 1980 1.8920704351119204 1981 1.8255746220031357 1982 1.659020074723658 1983 2.8057264958876877 1984 3.263987433052995 1985 5.655193772118893 1986 5.920706518264314 1987 5.397290635520614 1988 4.7067160677007065 1989 5.560702520699393 1990 6.04553165444721 1991 5.108285773648729 1992 5.000305720486043 1993 3.434090544711473 1994 3.2315637058512863 1995 2.9542901448687826 1996 3.1001264175329903 1997 2.9379824599222126 1998 2.7752127997622145 1999 2.7685825483544635 2000 2.592303724985156 2001 3.0317254739969783 2002 3.137923043932415 2003 2.7190288109671994 2004 1.3306377866162686 2005 1.7265978289018689 2006 1.763954035671302 2007 1.8668156769155866 2008 2.0306995262753587 2009 2.263710789054223 2010 2.550949557158648 2011 2.139334585185595 2012 1.5983124390283048 2013 0.7570365097947973 2014 0.7364300896030168 2015 0.6640873767530489 2016 1.5741547882548848 2017 1.255387645298046