Year % of commercial service imports 1981 24.153964176645534 1982 28.103737214053865 1983 27.26551231487586 1984 29.121167055568446 1985 26.289431728495902 1986 25.387316259450355 1987 24.707610487550966 1988 24.202455751115306 1989 24.14994381636397 1990 25.444193106764843 1991 27.501363030221164 1992 28.117518008338614 1993 29.91367605981734 1994 30.191649123783165 1995 31.249341983033506 1996 32.57592947447746 1997 33.054927615368264 1998 35.42248632819059 1999 36.86467378304669 2000 36.036068016846556 2001 36.41374527056243 2002 37.1815062828797 2003 37.37486964216272 2004 36.99083575545455 2005 36.8451877513365 2006 37.44526517992981 2007 38.018638042691 2008 39.14914839072699 2009 41.05125778907202 2010 39.99247700479986 2011 40.31475246922085 2012 40.48121649278388 2013 41.04367111922079 2014 41.11730985354211 2015 42.21936178163845 2016 42.88802972310054 2017 42.7863533788327 2018 43.01898953135411 2019 43.68385795543813 2020 53.05108548901482 2021 51.09072527826479 2022 45.74053646599237 2023 45.46937931258704