Year % of commercial service imports 1977 5.22805064668232 1978 3.6393912011886744 1979 4.265557318702891 1980 4.996825396825397 1981 3.780729305035809 1982 2.5926885296249513 1983 2.19447138700291 1984 2.1125489015949412 1985 1.2195741073047384 1986 1.9290523045054377 1987 3.8620810230281135 1988 3.2627378759975447 1989 6.1151999999999855 1990 4.90108803165183 1991 6.919739696312364 1992 4.771573604060913 1993 0.20058168689198677 1994 3.2630522088353415 1995 0.33444816053511706 1996 0.6517746044913195 1997 0.2379535990481856 1998 0.049900199600798396 1999 -0.07415647015202076 2000 0.03164556962025317 2002 0.08160142802499043 2003 0.019879727647731226 2004 0.16121310418274726 2005 13.853934627521806 2006 6.974120387501729 2007 7.009475944523101 2008 8.230902876868686 2009 10.2118777845445 2010 9.388299972797881 2011 8.187190518086467 2012 9.713587950291053 2013 11.23056170145769 2014 14.727869914796955 2015 0.45880255275792753 2016 1.2406387675926789 2017 6.129368765252549 2018 6.744776435121472 2019 8.201610548940241 2020 9.317354483963875 2021 10.147141367628663 2022 3.871981164387036