Year % of commercial service imports 1976 21.93877551020408 1977 19.40298507462687 1978 20.23289665211064 1979 14.189723320158095 1980 15.85164835164835 1981 18.45201238390092 1982 30.60460139111825 1983 38.59822309970385 1984 30.473098330241186 1985 31.73029251363411 1986 28.689956331877738 1987 21.996615905245335 1988 22.729124236252545 1989 26.203630623520127 1990 26.70375521557719 1991 18.12151764393738 1992 15.967938466224965 1993 13.920775541618212 1994 15.341083123058297 1995 15.457105096822389 1996 15.610780096669885 1997 15.944172214588704 1998 16.901709639355232 1999 17.39250118408826 2000 18.868656991222593 2001 21.57967509995808 2002 27.726775862952394 2003 26.741003207442603 2004 28.297382773730092 2005 27.88963233353006 2006 32.19682883210204 2007 31.74835779236433 2008 32.87621532240985 2009 37.12353472815094 2010 35.41169290803444 2011 36.73360109538865 2012 36.00940609627925 2013 37.77424342865613 2014 37.88903068276033 2015 34.60708793812837 2016 31.184416893690496 2017 31.06022446372475 2018 31.850815523231233 2019 36.601344056377386 2020 53.488092869714585 2021 56.508759990213896 2022 39.6397092037261 2023 40.17630048779357