Year % of commercial service imports 1974 8.691123712533368 1975 10.270509977827018 1976 9.605163249810104 1977 10.322780881440124 1978 10.741522937932757 1979 14.277128182712275 1980 17.330222157406226 1981 8.843046339228863 1982 7.113516172672419 1983 19.410327208099176 1984 12.437251405842872 1985 11.73913043478224 1986 10.723860589812446 1987 10.554089709762337 1988 27.874524346203174 1989 45.31418932219658 1990 34.60553204030036 1991 16.451120706435205 1992 17.388925313844112 1993 14.13072541888367 1994 15.447361683443532 1995 15.742639285595374 1996 16.26605514237926 1997 12.564843820824635 1998 20.86422593031699 1999 12.279711649886494 2000 17.32673637881092 2001 12.687876763123015 2002 9.831326318159 2003 7.966748221424609 2004 15.410385259631369 2005 14.17568956535203 2006 17.634246923680763 2007 15.387653859549289 2008 20.373190655048802 2009 24.953472532525822 2010 21.858638743455586 2011 20.845003574591445 2012 21.292510032164913 2013 37.58837167119922 2014 30.881991472571954 2015 24.66677108808311 2016 17.814346235273675 2017 12.382083959454206 2018 24.867936390066873 2019 28.17006322846619 2020 36.41583721879621 2021 26.177082697777706