Year % of commercial service imports 1974 12.136627906976686 1975 14.220462850182642 1976 9.80117614113694 1977 10.302734375000021 1978 9.068806224167293 1979 8.15515610217598 1980 7.5177076625885215 1981 7.548227904890116 1982 8.256357623446247 1983 9.068245559364325 1984 8.9964426137427 1985 8.509084269150012 1986 9.339950372208431 1987 7.899461400359073 1988 8.983675618746698 1989 10.375835831219714 1990 8.819714656290536 1991 8.149540104836298 1992 7.68293825541084 1993 7.012805122048816 1994 6.990207217443074 1995 6.990445071538195 1996 9.882535029366233 1997 9.440170276921702 1998 10.918228572321835 1999 9.95437867639923 2000 10.057243848859208 2001 14.508273567567754 2002 10.884378708359325 2003 11.135655673127033 2004 10.161179035685693 2005 10.139758334546517 2006 9.722517919239234 2007 8.583410676841659 2008 10.884671063213746 2009 11.550890074380067 2010 11.46836345890342 2011 10.554285129185285 2012 11.500106275583768 2013 10.299768123803647 2014 10.334676972587017 2015 9.996189079414357 2016 10.17025890951494 2017 9.531015053918873 2018 9.23438907324688 2019 8.396802742954518 2020 5.3261101594616225 2021 6.178748377220882