Year % of commercial service imports 1976 30.408490021965584 1977 31.628902677269366 1978 34.995110969726575 1979 35.08894862624956 1980 31.243750450970776 1981 33.69592579521755 1982 34.916505320914005 1983 36.01488946178189 1984 29.531679343995226 1985 34.960426510679724 1986 35.36368442108298 1987 35.337831678087014 1988 33.94887755345905 1989 27.779869113702123 1990 40.80205326845026 1991 46.63472489844741 1992 39.0652278942927 1993 31.798596519831634 1994 33.121669369731876 1995 36.32428616596759 1996 23.67503882490678 1997 28.835816976487227 1998 29.678450225484767 1999 36.48232636706401 2000 33.51449159225676 2001 34.88751069335908 2002 47.97651894647929 2003 44.63941720550258 2004 37.64704867345151 2005 37.95009373677299 2006 38.164895724921614 2007 40.12249002549943 2008 39.50694696115698 2009 32.779922907585615 2010 33.23187693539113 2011 36.631683821231405 2012 38.62158367896415 2013 39.41288670849819 2014 37.085519854949425 2015 34.58461480385696 2016 33.27604208282573 2017 33.72456515644351 2018 34.83070417245939 2019 37.203699934030816 2020 50.861853524172794 2021 52.44365219182898 2022 34.27284001976651 2023 25.637697200681902