Year % of commercial service imports 1977 1.6389440668538546 1978 1.523296212220679 1979 1.555270435321012 1980 1.608586799516911 1981 1.5074771526449582 1982 1.3878664881376672 1983 1.4213616232361714 1984 1.38209853328319 1985 1.319549504118338 1986 1.3500891568311122 1987 1.2293066710375342 1988 1.2739797052070199 1989 1.3629618910027503 1990 1.3566775435744023 1991 1.2566292078437948 1992 1.1800181779963919 1993 1.1421263932873449 1994 1.1096395073863183 1995 1.1059220084419668 1996 1.176054803603745 1997 1.251773296869661 1998 4.791468179098575 1999 5.310348546698313 2000 6.633521282734421 2001 5.602204814131293 2002 4.8848544625694 2003 4.733397006199673 2004 4.806149284035837 2005 5.867282339755501 2006 7.0325554803396795 2007 8.438926748803153 2008 8.924036529946799 2009 8.064276142765674 2010 6.98364754687876 2011 6.3921235087886785 2012 4.6386688518923735 2013 4.3488258879535415 2014 4.096749006650181 2015 4.284748830918892 2016 4.099370025853818 2017 4.051234207418052 2018 4.0240478117887255 2019 3.7879879931660727 2020 4.05224992267886 2021 4.253489590313375 2022 4.027949813133842 2023 3.560834969442972