Year % of commercial service imports 1979 6.775219913906054 1980 5.5304654976661975 1981 5.693765586034934 1982 5.3162970106074985 1983 4.957114808308359 1984 4.828932497688278 1985 3.6506405841024834 1986 4.470142692905911 1987 6.649841530696114 1988 6.2550269133205285 1989 3.7538425159612214 1990 6.558352402746006 1991 8.278697633070369 1992 5.0885053901778985 1993 8.726572958500654 1994 9.490403706154877 2006 9.261325834101958 2007 8.678667777059438 2008 6.276490914692605 2009 4.94166274156596 2010 6.105270576441591 2011 5.873737068193451 2012 4.543375566577755 2013 3.4436085719198086 2014 3.1717968445119737 2015 2.862087630940274 2016 2.77158074244228 2017 4.019358461251704 2018 6.347540593171253 2019 3.182938357287778 2020 3.0871301545675327 2021 3.073198610254591 2022 2.357761721170413