Year % of commercial service imports 1975 67.30272596843638 1976 68.70116156282971 1977 70.41300527240764 1978 58.39572192513365 1979 65.24833209785018 1980 65.16732841747033 1981 59.22368421052637 1982 49.493577981651335 1983 66.48970747562285 1984 59.1364082433759 1985 62.16127262753698 1986 69.31323283082065 1987 67.95523906408948 1988 67.30182926829265 1989 71.47227533460804 1990 61.60313901345287 1991 66.79940268790438 1992 63.18802289740202 1993 62.52285191956126 1994 60.99230111206152 1995 63.489932885906 1996 65.57725694444446 1997 66.00754084625056 1998 65.29579763361896 1999 56.378170482911116 2000 57.31357781892389 2001 55.06963554268205 2002 49.78104677706852 2003 48.842125790099686 2004 44.636299236637974 2005 44.49953051643191 2006 42.93835014994109 2007 41.06090219685714 2008 44.59321367745318 2009 41.067827681026586 2010 39.77104565126347 2011 36.23448482129504 2012 20.48090461105251 2013 20.437144042545103 2014 20.419277980042565 2015 19.679670795174825 2016 14.318947480407054 2017 22.63500835806642 2018 24.456430701196062 2019 22.37907672916334 2020 22.749079549258038 2021 21.22581948583261 2022 34.94174780507632 2023 33.74636211306111