Year % of commercial service exports 1977 37.75072676487332 1978 43.02838992708953 1979 46.752850557391824 1980 46.86671432430103 1981 39.84576150009925 1982 41.95681685061303 1983 42.330800874054084 1984 41.91355400924996 1985 46.438579562307346 1986 34.488794910027224 1987 29.747658817150537 1988 34.52044221217534 1989 25.326182866138915 1990 27.591689291395383 1991 28.882948668639237 1992 30.219921104586113 1993 28.978370889336894 1994 26.26286782767643 1995 27.97353564559683 1996 24.89826564419996 1997 26.328135699322598 1998 25.42070785899831 1999 23.108360015058626 2000 21.199847144332136 2001 20.994441674115556 2002 19.13322214576367 2003 17.49096829821054 2004 18.90067261762307 2005 31.136192263405533 2006 29.969246588950995 2007 28.792967238133112 2008 26.87248136821913 2009 25.7814955157582 2010 29.347378687205964 2011 27.729665908423218 2012 26.769609595776036 2013 26.133401018133796 2014 24.75556996329096 2015 26.988337386918 2016 25.38440167167683 2017 19.783118632364594 2018 19.316225305061263 2019 22.699541111882223 2020 28.287361723617472 2021 28.20921378861969 2022 25.499929632313275