Year % of commercial service imports 1977 18.07257870348335 1978 16.37047783138338 1979 17.44338853737773 1980 18.49098977428372 1981 17.24677541097108 1982 19.316030678990547 1983 18.320422076475086 1984 17.081549714022707 1985 14.180129428737931 1986 15.934048034353706 1987 17.584398089901917 1988 19.29000586265209 1989 21.46445047444143 1990 21.270783551026334 1991 22.351885559098882 1992 22.228460782239267 1993 23.087599059580867 1994 25.24035391194106 1995 23.098103188520227 1996 23.16379370671402 1997 25.15404026559277 1998 25.767018427009194 1999 23.98873505387605 2000 24.936361529094835 2001 24.827630487579146 2002 24.12558106629796 2003 26.69953473140222 2004 23.336843405859398 2005 20.445821584531295 2006 22.37222900536737 2007 23.345806747457058 2008 24.038359479136435 2009 22.214380327460233 2010 21.317973282309314 2011 19.781721673971234 2012 17.70639453815397 2013 16.861733609572592 2014 16.202439404617515 2015 17.598000476620165 2016 15.300304063433414 2017 18.163473926166162 2018 17.547241541113692 2019 17.70244231344014 2020 11.2976356597018 2021 11.011789565879123 2022 12.885205444434384