Year % of commercial service imports 1977 10.374281456415872 1978 9.879408219489987 1979 9.578068026471703 1980 9.781507317468002 1981 9.67943642340928 1982 9.632783973338531 1983 10.003823366320999 1984 9.883303232816834 1985 9.41575622274088 1986 9.309013898919055 1987 8.33871014581884 1988 7.142369247347637 1989 7.137517248907573 1990 8.014632353204531 1991 6.487568561227173 1992 6.838577498574663 1993 6.614992399539905 1994 7.365646399991401 1995 9.608844673205647 1996 7.061497044305087 1997 6.866893736563951 1998 6.249414994264504 1999 5.687575172607647 2000 5.417789808132257 2001 5.640713083140733 2002 5.459257207234329 2003 5.98819758770294 2004 6.107667065148809 2005 5.824807220311336 2006 5.4841429148232805 2007 4.850717765196029 2008 4.736144871352434 2009 3.9572115394414342 2010 4.566700632929295 2011 4.522913141043107 2012 4.775520726400183 2013 5.006522656215189 2014 5.100479444227576 2015 4.982021766434317 2016 4.892977764972655 2017 6.16202376359517 2018 5.8322455862149445 2019 5.962157095962201 2020 6.813913338645677 2021 6.4342948606459816 2022 5.257352176719429 2023 4.68703456305327