Year % of commercial service imports 1975 5.463142580019379 1976 5.743073047858949 1977 5.391705069124425 1978 6.059654631083211 1979 6.316666666666677 1980 6.731001206272602 1981 7.307692307692269 1982 6.609485368314835 1983 6.715017064846432 1984 6.888825460254024 1985 5.693194094346425 1986 5.0915899200485875 1987 4.75247524752475 1988 1.6819394501797942 1989 1.975987993996996 1990 1.9431675720852457 1991 1.9431988041853505 1992 1.658790625904139 1993 1.901469317199655 1994 1.4845461182769502 1995 1.3511543134872417 1996 1.8242222562777803 1997 2.120454308638118 1998 2.3087014001255675 1999 1.8240563691375322 2000 4.096372998555447 2001 3.4798811667740175 2002 5.679409672168387 2003 5.662118421287921 2004 6.513985826743532 2005 6.795707291767989 2006 5.001135331516796 2007 4.327479088781898 2008 4.639804639804629 2009 5.894545925638038 2010 4.5680497093605865 2011 3.1132421636605256 2012 3.51228674139125 2013 4.079440399034603 2014 3.3257390730395855 2015 3.28268894603727 2016 3.143283719935408 2017 4.277299694226022 2018 3.556975924717736 2019 4.184695870847173 2020 4.034587128785907 2021 3.3995735895890986 2022 3.1761929114438288