Year % of commercial service imports 1977 8.622627106573699 1978 8.280900581886343 1979 7.9680018086495 1980 7.725112392072905 1981 7.900821935405999 1982 7.75713764231342 1983 8.305554489957958 1984 8.211100604552767 1985 8.086042157666675 1986 7.791580569304147 1987 7.197322705798321 1988 6.58423762913935 1989 6.43650119915163 1990 7.027730764058498 1991 5.912063496889635 1992 6.3387199873352555 1993 5.943492684683172 1994 6.2039445339526695 1995 7.974323033464511 1996 6.070678091072384 1997 6.154113136374302 1998 5.745535613376821 1999 5.372439490665508 2000 5.173582709420134 2001 5.373883939267456 2002 5.172169867998986 2003 6.269517954594502 2004 6.284340542551671 2005 5.542649808449691 2006 5.478028847092278 2007 4.779590329306532 2008 5.142314369986621 2009 4.372935539259487 2010 4.7283244474080774 2011 4.867783733454486 2012 5.146515208454526 2013 5.06308599358937 2014 5.390435396722919 2015 5.484027334059496 2016 5.703089534457999 2017 6.271249777515907 2018 5.644077840585112 2019 5.570700810847695 2020 6.605151394898404 2021 6.380321636040571 2022 5.4019459877323595