Year % of commercial service exports 1977 37.75072676487332 1978 43.02838992708953 1979 46.752850557391824 1980 46.86671432430104 1981 39.845761500099265 1982 41.95681685061303 1983 42.33080087405406 1984 41.91355400924995 1985 46.43857956230734 1986 34.48879491002722 1987 29.747658817150537 1988 34.52044221217535 1989 25.32618286613892 1990 27.59168929139539 1991 28.882948668639234 1992 30.219921104586103 1993 28.978370889336897 1994 26.26286782767642 1995 27.97353564559683 1996 24.898265644199952 1997 26.3281356993226 1998 25.420707858998313 1999 23.108360015058622 2000 21.199847144332136 2001 20.994441674115553 2002 19.13322214576367 2003 17.490968298210543 2004 18.900672617623066 2005 31.13619226340553 2006 29.969246588950995 2007 28.792967238133112 2008 26.872481368219127 2009 25.781495515758202 2010 29.347378687205968 2011 27.729665908423225 2012 26.76960959577604 2013 26.133401018133796 2014 24.75556996329096 2015 26.988337386918005 2016 25.38440167167683 2017 19.783118632364598 2018 19.316225305061266 2019 22.699541111882223 2020 28.287361723617476 2021 28.20921378861968 2022 25.499929632313265