Year % of commercial service imports 1976 3.7671222595707667 1977 4.537130583534132 1978 5.059371416886567 1979 5.121463184242466 1980 5.304095497965382 1981 4.713160309444047 1982 4.195328606960273 1983 4.26211607265875 1984 3.8585453874217737 1985 3.730399492972658 1986 4.1766291773011375 1987 4.012346233186454 1988 3.832142375168837 1989 4.846770158044759 1990 3.958591783045321 1991 2.8427824775971375 1992 2.024623289069118 1993 1.8287724146887185 1994 3.185645548380363 1995 2.799427985199653 1996 7.584512628572472 1997 6.852460614728012 1998 6.162293738517978 1999 6.40862833178957 2000 5.206704043628324 2001 7.297399626293469 2002 7.630651494445988 2003 9.389825628486856 2004 11.404877362973394 2005 10.260524096777534 2006 9.343525688069366 2007 17.11378793401753 2008 17.894180851261012 2009 13.812810807092927 2010 12.815983342212206 2011 7.329482653268375 2012 6.134921326899054 2013 6.233754681655937 2014 7.247594783779025 2015 2.6217571183072783 2016 2.258824117162351 2017 2.6425855334761756 2018 2.0625789066969453 2019 2.8540234986688873 2020 2.339363919023321 2021 3.532930012844284