Year % of commercial service exports 1970 3.787878787878796 1971 3.5714285714285694 1972 0.671140939597322 1973 6.43776824034336 1974 2.5974025974026063 1975 7.6271186440678065 1976 16.049382716049394 1977 12.577319587628878 1978 11.165845648604275 1979 8.900523560209436 1980 5.429864253393674 1981 12.345679012345684 1982 5.179282868525888 1983 17.874396135265712 1984 2.735562310030403 1985 7.5 1986 6.17128463476071 1987 6.793802145411206 1988 8.957055214723937 1989 10.543840177580478 1990 14.946619217081832 1991 9.461805555555557 1992 11.547911547911553 1993 12.942122186495169 1994 5.86230402181323 1995 6.999351911860018 1996 4.853041695146956 1997 21.29086336965632 1998 19.069767441860463 1999 20.148637489677952 2000 23.279924599434494 2001 18.378812199036915 2002 18.10250817884406 2003 18.113207547169807 2004 15.856031128404666 2005 15.57507987220447 2006 16.401384083044974 2007 9.610983981693366 2008 9.911242603550292 2009 10.853909465020578 2010 12.677798392084114 2011 13.75694016039482 2012 13.787375415282384 2013 9.680908599242827 2014 14.183617372182525 2015 14.285714285714292 2016 13.123993558776164