Year % of commercial service exports 1974 0.2597402597402596 1975 0.24096385542168633 1976 0.23337222870478455 1977 0.2873563218390793 1978 0.7036747458952309 1979 0.8414239482200652 1980 0.6584723441615482 1981 0.10634526763559066 1982 0.057937427578215364 1983 0.04941932295527563 1984 0.04677268475210483 1985 0.08781558726674005 1986 0.08164931618697698 1987 0.07313951362223423 1988 0.10040160642570263 1989 0.09299853859439343 1990 0.06865437426441749 1991 0.0763747454175152 1992 0.07239382239382228 1993 0.07406493025552408 1994 0.07041670118465738 1999 2.4079173800382025 2000 2.2707676249688036 2001 2.5939014171736634 2002 1.3964169896807463 2003 2.4557572502058114 2004 2.1942785133725207 2005 1.7214827469757215 2006 1.7178976616078114 2007 1.5356967148759728 2008 1.4894935166741585 2009 1.6600499399889672 2010 1.522338441536458 2011 2.0492043685523997 2012 2.1265787719061615 2013 1.8240435792919272 2014 1.924816236115267 2015 2.0308571902237653 2016 2.28797754900175 2017 2.2341379453745995 2018 2.287093549987141 2019 2.4331136972146177 2020 4.750264575505969 2021 5.062463964925647 2022 3.7401685138175433