Year % of commercial service imports 1974 14.641995172968548 1975 14.11167512690355 1976 14.981769970169054 1977 14.474107430041816 1978 14.09899888765296 1979 12.726111938710375 1980 11.855104281009895 1981 14.923469387755148 1982 15.927719821162423 1983 20.209125475285074 1984 18.242022877784414 1985 18.735307945463077 1986 20.522964106522544 1987 16.04643023798408 1988 17.66421506467159 1989 25.251695089377492 1990 23.443522952926088 1991 16.50332762348714 1992 16.582624981991117 1993 13.319191003830774 1994 15.409544044897979 1995 15.520583520757503 1996 22.493782431146183 1997 27.62092793682137 1998 36.33255414425341 1999 33.05280785660551 2000 29.19906585707616 2001 30.60036815104379 2002 28.59387665481839 2003 13.329963701216322 2004 19.741339481623417 2005 13.814891555245687 2006 13.507374788710417 2007 9.666425053011677 2008 10.522363431946706 2009 10.046129119235015 2010 9.567113240838562 2011 12.63982488535452 2012 9.277424431796568 2013 10.621216722772314 2014 13.809884698852498 2015 13.88083434098901 2016 14.798653940238498 2017 15.322868055263958 2018 16.299647676900246 2019 17.54967490912578 2020 9.651166098578393 2021 10.23550843278127 2022 13.4793584660903