Year % of commercial service exports 1977 7.777777777777778 1978 7.10868079289132 1979 4.920634920634921 1980 6.7455621301775155 1981 14.014466546112118 1982 13.218390804597702 1983 4.941176470588235 1984 8.823529411764707 1985 1.3618677042801557 1986 0.43243243243243246 1987 0.44876589379207177 1988 1.488095238095238 1989 3.102189781021898 1990 1.947015639961698 1991 1.3033175355450237 1992 2.0527859237536656 1993 0.7356468894930434 1994 0.8048595292331056 1995 3.173004281037522 1996 4.791431792559188 1997 1.6699801192842942 1998 3.5697781885397415 1999 3.83634431455898 2000 2.22739981360671 2001 2.8979413856606207 2002 3.9784942656951365 2003 4.630186826325344 2004 1.7836026803310998 2005 1.563779269690519 2006 1.928804424904269 2007 2.186129809176805 2008 2.8202328442054636 2009 2.3525675700251427 2010 2.7431352083078036 2011 2.7409554825008176 2012 2.8102706895552134 2013 3.3610058528653335 2014 3.074776932487916 2015 3.75803840366196 2016 3.996879699733587 2017 4.009056624276366 2018 3.686486147872698 2019 4.7314183648451715 2020 7.449226861096851 2021 7.258948342486512 2022 5.027127631238504