Year % of commercial service imports 1976 3.094405594405594 1977 2.6585179526355995 1978 2.353714661406969 1979 2.25979602791197 1980 2.0168067226890756 1981 1.7892298784018528 1982 2.494887525562372 1983 1.9910263600673024 1984 1.6243928764166218 1985 1.5059588299024917 1986 1.8290258449304173 1987 1.5680473372781067 1988 1.5682196339434276 1989 1.509990173599738 1990 0.9659290481208289 1991 1.633266533066132 1992 0.6971569839307787 1993 1.0327733406774993 1994 9.690336358782702 1995 13.62728310502283 1996 14.884393063583815 1997 18.324420677361854 1998 18.675721561969443 1999 13.909609477841158 2000 6.092745120162473 2001 8.120623447029592 2002 6.088379705400982 2003 6.456984273820536 2004 4.963074724053045 2005 5.970554311690074 2006 4.782562125107112 2007 5.223717077873702 2008 5.86869911657717 2009 6.5009560229445515 2010 8.142287144113073 2011 8.418852740260146 2012 7.891674267920612 2013 6.440245458411812 2014 6.520618556701032 2015 6.22335089039378 2016 6.0153979808873315 2017 5.1437095442316405 2018 4.993818953653815 2019 4.649660962221504 2020 4.996897108104754 2021 4.880768918809311 2022 5.011073223890041 2023 5.321211002399853