Year % of commercial service imports 1974 49.0445859872611 1975 54.62184873949569 1976 53.57142857142857 1977 52.94117647058824 1978 39.07766990291262 1979 42.481203007518694 1980 42.78959810874702 1981 35.68464730290454 1982 36.27906976744182 1983 40.217391304347785 1984 35.92233009708727 1985 30.40791100123598 1986 29.369863013698538 1987 34.45292620865136 1988 36.35204081632649 1989 35.35087719298241 1990 20.18674966651841 1991 23.140156185778945 1992 18.371335504885973 1993 16.46902796568284 1994 19.47996400917228 1995 18.417281914678775 1996 15.471232136655377 1997 14.036735554178911 1998 18.31850246028347 1999 15.203211374518464 2000 8.307827648665574 2001 11.846076008671627 2002 10.26711566281199 2003 5.273012468673011 2004 13.270393575294065 2005 12.407313013599554 2006 13.361249727299363 2007 10.379688466567147 2008 7.3350336229805695 2009 13.259973827048313 2010 9.406635786296668 2011 14.102099872876725 2012 23.35354811526991 2013 19.38100614839955 2014 22.456187098296944 2015 32.45409779968196 2016 17.634008740207804 2017 22.312692485601517 2018 17.712784654010907 2019 20.412149937958407 2020 21.134687558815266 2021 18.683631122032615 2022 17.809677343327007