Year % of commercial service imports 1975 2.219430485762144 1976 2.936444086886565 1977 2.243829468960359 1978 0.7796610169491526 1979 0.9237187127532777 1980 1.1481314723097704 1981 1.4038876889848813 1982 2.0730706075533663 1983 2.196036422067488 1984 4.574565416285453 1985 3.984764137122766 1986 4.389880952380952 1987 6.603001364256481 1988 4.540295119182747 1989 3.377847604084839 1990 2.7328085548789542 1991 3.008932769158439 1992 2.617642608564079 1993 7.470511140235911 1994 2.6636844245628306 1995 9.558544183572677 1996 3.08120953863804 1997 9.088261647453336 1998 6.775069571433099 1999 6.464478123116614 2000 6.128591893921792 2001 6.721161504296928 2002 9.057969949748712 2003 8.899809318926016 2004 6.81544929431913 2005 6.292316852989227 2006 5.876002946523138 2007 5.936435585788267 2008 6.0089571069516285 2009 7.654230399166559 2010 4.85603090185356 2011 4.4753601925356605 2012 4.075304250951856 2013 3.568223406531658 2014 2.8351602664595523 2015 3.382203365396409 2016 3.569567040109442 2017 2.915645718971723 2018 2.656133634098571 2019 3.242900643209666 2020 3.993901171403056 2021 4.6583733578122954 2022 3.791936172469727 2023 4.589176210486675