Year % of commercial service exports 1975 1.0157515182718424 1976 1.6208654619512528 1977 2.383872930494936 1978 3.9482112409470638 1979 3.9966027287480212 1980 2.935641943769414 1981 2.271366597776001 1982 3.1785101175274915 1983 1.7609899449998425 1984 0.07714389630270921 1985 -2.284762249312409 1986 0.8961053009312818 1987 0.5068785832187579 1988 0.15006252878522608 1989 -0.5901297699870364 1990 0.13553462296529856 1991 -0.6786755256304149 1992 1.2414922918309432 1993 0.71387475338576 1994 2.4137655793578667 1995 1.9701060110664539 1996 -0.5219773191949283 1997 -1.4624022741489302 1998 -0.27325938920536824 1999 -0.13212150185211707 2000 -0.4333879895796632 2001 -0.4305739511271918 2002 -0.043453001468887906 2003 0.6214304461174381 2004 1.9599676458797444 2005 1.1754757227522539 2008 3.359683931978989 2009 3.3825207437641787 2010 3.222847807762886 2011 3.40086668339328 2012 2.9998348765289737 2013 2.128117345457518 2014 1.850220634015202 2015 1.9240516109880847 2016 2.0000141428176503 2017 1.4714234731952271 2018 1.5659301172301534 2019 1.3161319391589141 2020 1.4288833059322037 2021 1.617344493556916 2022 1.5951184859978582