Year % of commercial service imports 1975 41.99987781608313 1976 45.119277529770855 1977 43.3390892292213 1978 43.05342366022927 1979 43.19484261727055 1980 43.58526938147625 1981 43.54109258443327 1982 39.0582308839991 1983 39.071725580759455 1984 36.89915428812366 1985 36.254815246759286 1986 34.48123377193354 1987 33.825024578963564 1988 33.14020026313551 1989 33.42517644404501 1990 32.022645973630716 1991 31.393076772343324 1992 30.082768576328526 1993 29.885673042481535 1994 30.031994642794885 1995 29.95970437953309 1996 27.76754896867429 1997 27.60556305172628 1998 27.767953189148265 1999 25.96548397254781 2000 26.341479491950917 2001 25.809376144931512 2002 24.86009758674375 2003 25.22349552513577 2004 25.979168089172838 2005 26.060444212053078 2006 25.657735661548205 2007 25.6969860459178 2008 25.885302488310327 2009 22.312190525174625 2010 24.148133527512858 2011 24.090940278102828 2012 23.968943071161263 2013 22.409773735781688 2014 21.753829772431068 2015 20.973395753648514 2016 20.186366596309263 2017 20.335887630765985 2018 20.660809777298667 2019 20.050544589312747 2020 19.362456005165168 2021 22.15831723219039 2022 24.149965293195393 2023 21.19553223038939