Year % of commercial service imports 1977 3.5578027136060713 1978 4.182587661665569 1979 3.945219035311463 1980 4.6046513550649815 1981 4.296718752114511 1982 4.450854258906968 1983 4.3367864823966515 1984 4.497833050585595 1985 4.365673524680514 1986 4.082249679752617 1987 4.408907426915801 1988 4.680923680197514 1989 3.9582641575635673 1990 3.498908830710879 1991 4.228094584109567 1992 4.1361601404042485 1993 4.096214246990122 1994 4.5850148783251505 1995 4.916981372295949 1996 4.227853023473069 1997 5.009639688775013 1998 4.808332252693168 1999 4.9484510474174535 2000 4.423981279724736 2001 5.054345056906521 2002 5.259331346552094 2005 4.422137698861362 2006 4.5074130060325714 2007 3.9502066308646393 2008 5.267077980185515 2009 4.853509176761452 2010 4.445720399440599 2011 5.1564706650381 2012 5.692413298430759 2013 6.057203346650391 2014 6.262251481278283 2015 6.489515328172496 2016 7.2169746702443565 2017 6.847042318141742 2018 5.7938369383683845 2019 6.055396863939806 2020 7.722881626688372 2021 6.873739191313456 2022 7.075095097054151 2023 7.189058575705735