Year % of commercial service imports 1977 6.003752345215772 1978 11.233885819521161 1979 13.154362416107382 1980 12.31300345224391 1981 5.397301349325334 1982 17.048346055979565 1983 18.361955085865244 1984 14.6469049694856 1985 15.488047808764957 1986 12.09284181782721 1987 6.071593889831807 1988 10.569488968508383 1989 9.180985334014862 1990 4.76349788934044 1991 5.383002636925604 1992 5.4820505847158065 1993 5.03050200242153 1994 3.6803654802314623 1995 3.7732727764911136 1996 6.139626707613316 1997 4.7115822157980665 1998 6.1392616043214385 1999 2.2366819204938144 2000 3.6101395736472295 2001 4.039819140329361 2002 8.002711840350225 2003 7.916572001042761 2004 7.025794602524285 2005 9.676905029877483 2006 10.023114419358777 2007 9.845757891096795 2008 10.04153435114488 2009 7.548562669597422 2010 2.841505958610813 2011 4.160132533205585 2012 4.423583102921473 2013 7.502060286075999 2014 4.718663668388178 2015 5.751559112909012 2016 8.176833599871257 2017 9.590159683723321 2018 10.360063951253 2019 10.068466848031631 2020 17.748759640481136 2021 19.198529187547713 2022 2.228983027147606