Year % of commercial service imports 1971 4.323432343234323 1972 4.610169491525424 1973 6.461126005361931 1974 6.737451737451737 1975 5.930232558139535 1976 6.754966887417218 1977 6.793168880455408 1978 6.816208393632417 1979 8.184818481848184 1980 8.535885167464114 1981 8.68836291913215 1982 8.061497326203208 1983 7.038567493112947 1984 7.144702842377261 1985 8.606870229007633 1986 8.278301886792452 1987 8.58252427184466 1988 7.9375 1989 8.71111111111111 1990 7.280813214739518 1991 5.067155067155067 1992 4.429175475687104 1993 3.7199124726477026 1994 5.626598465473146 1995 5.2921719955898565 1996 4.566683964711987 1997 5.128205128205128 1998 5.213533000554631 1999 6.0606060606060606 2000 7.95649685174585 2001 7.034327518289252 2002 9.025069637883009 2003 9.396277802995915 2004 7.629979743416611 2005 5.398701005961234 2006 5.328044844070388 2007 5.028848378305374 2008 4.33896545969947 2009 6.798460245282628 2010 7.520846086648008 2011 9.94125249326068 2012 10.267713194419862 2013 9.806141956015397 2014 6.236927955183517 2015 5.102597842134081 2016 4.5025739967694225 2017 2.7971034732946567 2018 2.7828486686331413 2019 2.1530330918913423 2020 3.3232049250232127 2021 4.514447350104814 2022 2.4214072417969366 2023 3.607903317352098