Year % of commercial service imports 1975 6.872309899569606 1976 7.011615628299878 1977 7.0913884007029875 1978 6.157372039724985 1979 6.582653817642711 1980 7.095859330686325 1981 6.521929824561394 1982 4.855045871559631 1983 6.641386782231845 1984 6.418056918547592 1985 6.407021393307727 1986 7.571189279732006 1987 5.188199389623604 1988 4.954268292682931 1989 5.630975143403452 1990 3.9798206278026993 1991 4.4300647088103435 1992 4.491413474240423 1993 4.159049360146247 1994 4.020530367835758 1995 3.5822147651006726 1996 3.8671874999999964 1997 3.9128613322161763 1998 4.104447164422687 1999 3.4211352925312055 2000 3.412154248771668 2001 3.614255253460329 2002 3.5330826107801063 2003 3.9602516398040666 2004 14.209928487627405 2005 16.53333333333334 2006 19.03789121394365 2007 20.693456336486566 2008 21.13454736014673 2009 23.97952948365414 2010 22.66089627251151 2011 4.77045012711231 2012 49.50765575501579 2013 53.16825708143177 2014 55.13332442144833 2015 55.83168596441688 2016 50.25071811057135 2017 47.716030430184595 2018 50.73871821501555 2019 48.38191271466829 2020 42.800959500167416 2021 38.35799787868078 2022 38.642616205353754 2023 35.39333274539202