Year % of commercial service exports 1975 28.677630096868707 1976 27.552343894756326 1977 31.70938720081479 1978 26.63591320690243 1979 30.604460093896655 1980 29.66746359487078 1981 31.872509960159356 1982 33.86045620088167 1983 56.550850524791954 1984 53.67203219315901 1985 53.398703672926686 1986 66.29709364908501 1987 48.45477743124481 1988 44.57457457457459 1989 48.21004485882672 1990 50.676219021858145 1991 43.250770324721415 1992 46.67372881355926 1993 57.5777378424004 1994 55.601063829787186 1995 58.59895277311761 1996 43.91451654938744 1997 36.843048791419 1998 35.16474396215457 1999 33.773959021810974 2000 38.21796760843807 2001 36.58020115745577 2002 33.81763527054108 2003 36.68700699508855 2004 35.18385864374403 2005 24.37422131611734 2006 25.240174672489086 2007 25.21156171007803 2008 23.739518675814004 2009 28.375527426160335 2010 25.69060773480663 2011 23.92262699936865 2012 40.82462967109392 2013 43.10458305204739 2014 40.311178761159574 2015 34.57864880121427 2016 35.78598171002023 2017 36.72618508740752 2018 26.519145519563164 2019 20.522411741428257 2020 24.822112611633877 2021 38.317876729622 2022 34.18122102982192