Year % of commercial service exports 1976 6.291706387035272 1977 5.385573861276478 1978 6.632454723076377 1979 7.323420074349418 1980 7.789726899674518 1981 8.662245826062517 1982 7.211618756708975 1983 8.882614021615554 1984 13.31035592048712 1985 9.294389286443383 1986 7.689053591567113 1987 6.506450498610099 1988 3.668397215981133 1989 1.4656100282388986 1990 3.6176284331321416 1991 10.66752356729534 1992 18.730676301062374 1993 15.822457252845362 1994 8.757803350663604 1995 9.33939112694107 1996 11.18004555879961 1997 6.902542537334252 1998 13.72338362442043 1999 12.341486346975154 2000 14.96867368882552 2001 15.6206405482308 2002 18.851061990886055 2003 11.874943679571052 2004 9.122868875705386 2005 12.018314118896667 2006 13.958170675657136 2007 10.911234044352208 2008 5.5221450896290705 2009 6.37406372067504 2010 6.833955231602504 2011 5.244184056125286 2012 4.3264361215407225 2013 3.0143805853988916 2014 2.7228198339443668 2015 2.9651223186160607 2016 5.064796970969599 2017 6.373118292717702 2018 6.761759243687117 2019 6.617676133052807 2020 5.753058028021816 2021 5.762315689437473 2022 5.7220669910740405 2023 5.3347069714742945