Year % of commercial service imports 1977 5.051057572836344 1978 4.981847852748415 1979 5.082492469568196 1980 5.115192929275093 1981 4.863313639093721 1982 4.673809329829412 1983 4.4318063569412045 1984 4.748094211306549 1985 4.889960253139152 1986 5.030183272904537 1987 4.958224068244792 1988 5.311580202120792 1989 5.416801314485105 1990 5.356625406365789 1991 5.521101196073515 1992 5.633016480588053 1993 5.476487113036301 1994 5.1986033403351195 1995 4.769274756956293 1996 4.876004650809317 1997 4.801655277698516 1998 4.6598607058585 1999 4.563937925846276 2000 7.683331085226725 2001 9.06586017982358 2002 8.02227699508928 2003 6.327015568844196 2004 6.601856008185011 2005 5.9728678675547044 2006 6.548140197672965 2007 6.881579992500897 2008 7.535259275213541 2009 7.756178096202069 2010 8.214161118230216 2011 9.116947114591664 2012 7.5403243785671785 2013 7.816067793315231 2014 6.692251347384123 2015 6.175491069402623 2016 7.245570592811747 2017 7.369455054880313 2018 6.343924821756546 2019 5.722441381352409 2020 7.602711609923711 2021 7.340029493200411 2022 6.590138009836865