Year % of commercial service imports 1975 1.9666014230140527 1976 1.8932191230486624 1977 1.7649814051227366 1978 1.7635707685719642 1981 2.0333651315453825 1982 1.8199271400835426 1983 1.80465590088475 1984 1.5813648362923274 1985 1.7502997405827978 1986 1.5640756937727922 1987 1.5059291743013257 1988 1.6017280628541302 1989 1.7243689849673067 1990 1.5943187316385568 1991 1.7520661149951642 2005 1.5943968921404725 2006 1.5504329415893827 2007 1.5213392191501667 2008 1.670267928512364 2009 2.4651969763279755 2010 2.637891574024209 2011 2.003237182623247 2012 1.9942006454731396 2013 2.037409928437741 2014 2.027653250223748 2015 1.7358822100947042 2016 1.7700189243704436 2017 1.4778607906534267 2018 1.334634461927562 2019 1.4413161801174743 2020 1.5170160408252091 2021 1.5838118490716202 2022 2.3219717144676366 2023 1.9949408989378734