Year % of commercial service exports 1975 32.07156959373893 1976 32.752513384116696 1977 34.00160318632624 1978 32.57090765227037 1981 45.26940846952673 1982 43.45344120758466 1983 46.32975878492689 1984 43.32724884025373 1985 39.66354861994289 1986 35.9620175021429 1987 31.763435541807105 1988 32.74875492591327 1989 37.53230155885721 1990 32.45258521456275 1991 32.25516853095411 1992 34.849856101754675 1993 43.13501361634532 1994 45.18920661665998 1995 44.641199871254756 1996 43.98161326018782 1997 49.97610369988128 1998 47.98795332425925 1999 38.120667103609236 2000 45.48449289655804 2001 44.90945879210904 2002 41.205918352729825 2003 44.27542554128401 2004 47.07250752790601 2005 61.95379378620712 2006 62.832926197835995 2007 63.7165732400865 2008 63.643061478272415 2009 56.96809771608443 2010 62.17166715731576 2011 60.25526922250081 2012 59.883001100364616 2013 60.55618927828752 2014 60.883825313025554 2015 57.238015187673106 2016 51.650447806646646 2017 52.26414625657514 2018 51.52791776927047 2019 53.363437619823586 2020 56.75966507907189 2021 63.856895698152314 2022 68.30881197305581 2023 52.59223802914514