Year % of commercial service imports 1976 9.456066945606679 1977 8.691437802907915 1978 7.641921397379911 1979 7.991735537190081 1980 7.634345794392523 1981 6.532905296950239 1982 6.24398073836276 1983 6.2237762237762215 1984 5.357561547479485 1985 4.406779661016949 1986 7.9763313609467605 1987 8.246563931695162 1988 10.992286115007026 1989 12.536786344908807 1990 12.012500000000001 1991 12.343096234309629 1992 7.867801208533722 1993 8.773701335128475 1994 9.89795918367346 1995 9.789543852966382 1996 9.913644214162336 1997 9.064856711915539 1998 10.179640718562885 1999 7.874717291481061 2000 12.708188661676061 2001 11.46689348716252 2002 12.357051209344325 2003 10.786866600095808 2004 10.16481405353381 2005 12.876765429225639 2006 12.559037238452465 2007 13.194848676151747 2008 13.284604606117142 2009 12.322623718868385 2010 11.597193038219451 2011 13.555476712702703 2012 13.776684066542536 2013 12.958316445241069 2014 12.435084926306155 2015 12.643768402794104 2016 9.561642904345694 2017 12.973553402989207 2018 14.183976307818064 2019 14.032792298028763 2020 14.712965481011963 2021 17.466552306112796 2022 18.987617100247135 2023 16.526368340047405