Year % of commercial service imports 1978 37.547328565418596 1979 37.99607714939523 1980 34.88007380073801 1981 34.49989471467678 1982 20.91784702549575 1983 19.617498351286 1984 26.2692187009727 1985 24.934538653366584 1986 29.501415197038973 1987 32.412105294574104 1988 30.48549702370712 1989 37.10022407822367 1990 48.19608923161663 1991 56.23213779963439 1992 55.090817551605284 1993 50.85413005272408 1994 45.838917996831974 1995 46.246467625015356 1996 56.11628492323182 1997 50.72049541502918 1998 43.577098869376954 1999 41.71165240289664 2000 47.431536755100026 2001 46.70608705112295 2002 45.64338406866032 2003 44.82648326997224 2004 47.839827094606036 2005 46.977896954114954 2006 48.08052269824434 2007 51.14480019418802 2008 43.96870989365389 2009 42.45512855287639 2010 45.812494162960476 2011 40.888630013145075 2012 32.660334842331515 2013 28.182393370761737 2014 30.92448906797895 2015 29.28216280452776 2016 26.357210814749887 2017 25.74249301126353 2018 27.11203988378185 2019 24.24793924893254 2020 26.214742393404975 2021 38.1593189761458 2022 34.75252319453342 2023 30.116354955056746