Year % of commercial service exports 1976 28.891352904948487 1977 31.881229046022426 1978 25.356397984764286 1979 28.03595518609293 1980 22.818176433686375 1981 23.092773668675072 1982 14.354790865092387 1983 16.347632741070857 1984 16.71043355376772 1985 14.932956941614869 1986 12.515757133698981 1987 13.124787663730386 1988 12.929416106922984 1989 12.721804511278176 1990 12.948578599060125 1991 10.370806548448593 1992 10.429827126771707 1993 9.76258902729029 1994 13.152801735229966 1995 14.982950322077187 1996 35.85746624503837 1997 34.05410089788063 1998 36.5680269850654 1999 35.40773482746026 2000 32.18052638318719 2001 29.50359959019937 2002 26.777458122256114 2003 14.821546518437605 2004 16.83548812795253 2005 16.295787618986804 2006 9.983812865731977 2007 8.16892271279391 2008 10.683499980490376 2009 15.170215588653951 2010 14.217415560756136 2011 19.45531091595811 2012 27.917837851951194 2013 32.54522293501963 2014 23.905528095615225 2015 23.938110515246773 2016 20.820300828524005 2017 21.48418752030232 2018 22.048898273746502 2019 19.559759097559912 2020 22.25700979188641 2021 27.162699402712732 2022 25.520410935177484 2023 17.17663720278343