Year % of commercial service imports 1971 51.81518151815181 1972 45.762711864406775 1973 24.128686327077745 1974 22.393822393822404 1975 31.5891472868217 1976 20.529801324503325 1977 25.61669829222012 1978 22.720694645441384 1979 10.011001100110022 1980 7.655502392344488 1981 6.508875739644978 1982 8.15508021390373 1983 16.942148760330582 1984 17.571059431524546 1985 7.061068702290072 1986 12.028301886792448 1987 8.349514563106794 1988 13.75 1989 5.111111111111114 1990 14.10419313850062 1991 31.86813186813187 1992 28.224101479915433 1993 37.636761487964996 1994 21.73913043478261 1995 22.987872105843437 1996 25.01297353399066 1997 30.12820512820514 1998 36.605657237936775 1999 32.57575757575758 2000 31.8259874069834 2001 26.167698368036014 2002 22.39554317548746 2003 17.430776214253285 2004 23.531397704253877 2005 41.11175829500789 2006 40.84838097630874 2007 40.45505912266501 2008 44.1391933346124 2009 52.032587181174684 2010 54.100346286448215 2011 50.27579639820415 2012 52.04233611210369 2013 56.56950403459953 2014 56.204300946242924 2015 56.6991624266455 2016 55.791856293951675 2017 50.536232876065995 2018 48.890428906589584 2019 48.81388995747725 2020 59.08196386425092 2021 53.195760070352435 2022 47.28843296387941 2023 47.526679097942676