Year % of commercial service imports 1977 5.0272005521682885 1978 5.3224331489062715 1979 5.035482459914936 1980 4.191910292576629 1981 4.844889261384108 1982 4.54075923100848 1983 5.126751292501514 1984 5.081087957259467 1985 5.327769065859256 1986 4.707454760933613 1987 4.952717244941714 1988 5.469778555135264 1989 4.990316372346249 1990 4.920306809347627 1991 4.683902111200625 1992 5.310315249473395 1993 4.5619520001803835 1994 3.798432500422214 1995 4.552587352902471 1996 3.918541465110692 1997 4.547478120942971 1998 4.604290368774261 1999 4.658683159165175 2000 4.620473769712358 2001 4.799260248583336 2002 4.526269878616758 2005 4.953273061611314 2006 5.4648904207518205 2007 4.631017741760744 2008 5.990730352365185 2009 5.241309178565284 2010 5.0693213346761965 2011 5.595398032757092 2012 5.904505633186158 2013 5.178548994793115 2014 5.988406027912831 2015 6.51930384261298 2016 7.420245747280534 2017 6.532777889177903 2018 5.193533566160022 2019 4.7231043163164825 2020 6.153131850340697 2021 6.263937705153383 2022 5.766689768450247