Year % of commercial service exports 1975 34.21926910299003 1976 39.21568627450981 1977 60.61643835616438 1978 55.11596180081856 1979 56.148867313915865 1980 57.36875395319419 1981 53.6096256684492 1982 55.88235294117647 1983 36.47234678624813 1984 46.68280871670702 1985 71.15775220040624 1986 83.78531073446328 1987 73.78345498783455 1988 39.769150052465896 1989 33.13362854910133 1990 21.12955164726282 1991 21.155682903533908 1992 17.157563625965114 1993 24.669499527856466 1994 28.18579766536965 1995 53.54914196567863 1996 55.13981882630957 1997 48.727687048993545 1998 46.76742233417296 1999 44.42001099505223 2000 38.85306187709855 2001 34.62711949182214 2002 34.88253499305253 2003 33.771042830367435 2004 34.35867100463374 2005 32.954168629676374 2006 33.07983452716453 2007 23.95285530182118 2008 55.789810151999575 2009 58.77839183897605 2010 48.65029594222937 2011 47.2679905083367 2012 50.12663428336882 2013 45.25622153613724 2014 40.967907525008755 2015 54.12228344105697 2016 57.511758360007825 2017 58.1802528847444 2018 47.845361403391934 2019 47.31504732077958 2020 16.720419358746764 2021 5.942291099551655 2022 23.121209787955525 2023 28.046318252978956