Year % of commercial service imports 1977 12.500000000000009 1978 10.040160642570276 1979 8.56793145654835 1980 10.080645161290295 1981 9.773662551440317 1982 13.73855120732729 1983 13.037809647979168 1984 13.762428048142347 1985 14.200298953662093 1986 15.847234416154537 1987 13.038416763678725 1988 9.275452841973731 1989 10.778959471112426 1990 9.518828451882849 1991 5.777899194099145 1992 4.7308155885898 1993 6.775519271353988 1994 13.462365591397852 1995 9.422892720306491 1996 11.051212938005387 1997 12.26900939109361 1998 12.223529411764689 1999 20.079626103513863 2004 13.148100076859912 2005 21.572416497869682 2006 15.827582534263785 2007 16.430961678555327 2008 17.297934478195206 2009 16.316985601171265 2010 14.14930830130211 2011 12.26189238511477 2012 11.284662375331484 2013 2.7727647592033935 2014 2.045243880740416 2015 2.4038798693719237 2016 1.67603327071086 2017 3.6835818892787713 2018 1.9496332698079346 2019 3.4769125319860104 2020 1.5472114666324885 2021 0.8684050090889621 2022 4.148703017246092 2023 9.196449069192937