Year % of commercial service imports 1976 45.38013140931497 1977 44.070460593009926 1978 42.81495988759007 1979 43.47377392868685 1980 43.82223428388138 1981 43.59068072009594 1982 39.90537193877605 1983 39.83595097714043 1984 37.53068423952487 1985 37.02267858616747 1986 35.015126182344694 1987 34.65809793992369 1988 34.243758591603125 1989 34.41198160756811 1990 32.845151191783444 1991 32.13511270672145 1992 30.636007156472996 1993 30.140542632640134 1994 29.866640262841653 1995 29.876011893228352 1996 28.44132372059729 1997 28.45149610401271 1998 27.1069063020024 1999 25.3096822803604 2000 25.51069898730635 2001 25.137242136798683 2002 24.375906890908162 2003 24.749212185802033 2004 25.36520239156955 2005 25.26242893658384 2006 24.85043064504075 2007 24.97497526500087 2008 25.223087840994832 2009 21.875819833643643 2010 23.456662888522608 2011 23.672316050469355 2012 23.523298159661884 2013 22.472185810980516 2014 21.775561619184547 2015 21.249881265475608 2016 20.234206880946207 2017 20.325077840134544 2018 20.61953254484734 2019 20.095604616654356 2020 19.861753590042213 2021 22.28650846764415 2022 24.05691644405922 2023 20.824033207829867