Year % of commercial service imports 1977 6.893617021276498 1978 -5.684341886080802E-14 1979 32.2099612287503 1980 14.457831325301427 1981 20.91286307053946 1982 38.563206139415975 1983 27.176966292134722 1984 39.177750906892456 1985 37.08260105448164 1986 14.59016393442623 1987 13.795791114575067 1988 16.329479768786072 1989 18.20580474934033 1990 19.386264003896784 1991 18.416428728310933 1992 24.172371226573873 1993 22.594315245478086 1994 25.498154981549945 1995 24.36277415530526 1996 23.81348183858374 1997 29.76640561706732 1998 30.97075080608019 1999 43.862473953400205 2000 42.47458995637917 2001 44.139495184825414 2002 47.85606515242965 2003 36.150023434184085 2004 37.06376894106258 2005 32.27136418105519 2006 35.54899386146022 2007 37.23467616046218 2008 41.337427109337746 2009 45.95349295128622 2010 44.70258714254608 2011 44.853213956249064 2012 47.44703711750745 2013 46.343956973072 2014 48.42847922767889 2015 50.60448065730817 2016 53.63341823677346 2017 52.6764201127815 2018 52.02104646533262 2019 50.858080162251504 2020 62.33493787192512 2021 63.64210359799296 2022 53.704003858876085 2023 49.031562207433794