Year % of commercial service imports 1977 40.39093242874661 1978 40.66524943459628 1979 42.30389844510592 1980 37.77777777777777 1981 44.8034059137826 1982 52.390870642849634 1983 55.674102812803184 1984 60.096298525428885 1985 73.84415804404449 1986 59.76178146038322 1987 41.58299615365413 1988 21.997135256803716 1989 22.483200000000124 1990 37.78437190900099 1991 25.92190889370933 1992 39.84771573604061 1993 33.79801424129977 1994 24.046184738955816 1995 43.67892976588629 1996 6.81400722877288 1997 4.818560380725771 1998 4.8403193612774515 1999 4.9684835001853855 2000 3.338607594936704 2001 0.7835762419683476 2002 0.7764885885503077 2003 0.39262462104268536 2004 0.5070884913384646 2005 2.787067040018627 2006 2.4937291418045504 2007 2.966357480551224 2008 2.384391410997395 2009 1.43090019881069 2010 2.0481808355434623 2011 22.53594021122511 2012 8.54190637571979 2013 13.242497799174586 2014 14.317696702557228 2015 21.571012642386833 2016 21.553337231033794 2017 22.83982168678409 2018 18.13625243426891 2019 19.48473986345678 2020 7.751858514333236 2021 10.536471263597377 2022 13.112692099166779