Year % of commercial service imports 1977 8.582169709989266 1978 8.105284719377307 1979 7.354134165366609 1980 5.525978839544447 1981 5.2202494953155 1982 6.3766746116544715 1983 4.731952993844437 1984 4.951558082653035 1985 5.825188776927546 1986 8.238600874453457 1987 5.802108893162679 1988 4.022767479424659 1989 4.4774688398849305 1990 7.2160484918458545 1991 3.725128726717961 1992 6.993424985056787 1993 6.046102754444221 1994 6.745222448825444 1995 7.233198313631482 1996 2.9298808326042556 1997 3.820407423620193 1998 8.477481359988621 1999 6.179234654707097 2000 3.875405748549785 2001 3.4741045117286693 2002 2.1662054705478937 2003 7.8892373141048 2004 7.27339935579768 2005 7.967444905544791 2006 6.132956478950093 2007 6.118443809281085 2008 6.43662438327761 2009 7.837441047926048 2010 7.097583838782992 2011 8.130762873925065 2012 7.4739068550060646 2013 6.445933096594845 2014 6.818316876585337 2015 7.413493442881962 2016 8.440756403885164 2017 7.343113023732182 2018 7.166024036426845 2019 6.886435025963371 2020 7.339158582654146 2021 6.228456968930404 2022 4.474651646516522