Year % of commercial service exports 1974 3.5006435006434913 1975 2.616984402079724 1976 0.9661835748792277 1977 1.1884550084889656 1978 0.5703422053231951 1979 0.6561922365988913 1980 0.6169665809768634 1981 0.5422153369481028 1982 0.6292286874154259 1983 0.6227967097532308 1984 1.4563106796116494 1985 0.8046683046683047 1986 0.8887300452704319 1987 0.6369500115180833 1988 0.43350530237890594 1989 0.2504987807581475 1990 0.28344906207897114 1991 3.829564762776111 1992 4.9268292682926695 1993 6.569467681906632 1994 2.335686163232005 1995 2.2008267712351586 1996 1.8902563405181216 1997 1.6184501946542333 1998 1.7238499713685815 1999 1.5037394579112062 2000 1.138588399256702 2001 0.794493695352143 2002 0.42238828356927305 2003 1.7717916547948278 2004 1.0321365724910885 2005 0.005991930668696515 2006 0.024873131456738105 2007 0.019330473973820397 2008 0.047332727915358336 2009 0.02774557231218948 2010 0.10963356431826382 2011 0.10132854203512962 2012 0.11521515239249684 2013 0.14042242727890142 2014 0.2024256051075786 2015 0.3813886339973037 2016 0.3024161240003232 2017 0.25955794600674387 2018 0.5077694431064926 2019 0.49819472315296737 2020 0.77682215038721 2021 0.5452994635386424 2022 0.6142373890879185