Year % of commercial service imports 1977 3.9434533411984822 1978 4.110403639686479 1979 4.3273092822579 1980 3.8652391871453347 1981 4.158936881633467 1982 4.405192422497202 1983 4.364752575469298 1984 4.656249512469334 1985 5.062910280719894 1986 5.105505997913326 1987 5.343987494916457 1988 5.017534894132617 1989 4.503830616728654 1990 4.787137213722765 1991 5.4273398385564935 1992 6.332247622191437 1993 6.372940909059391 1994 5.4770072220648816 1995 5.679211252904006 1996 6.830431017408481 1997 6.937086224119947 1998 5.844019059740256 1999 7.341929173754365 2000 7.512997328123224 2001 8.428984091132632 2002 9.135598936654606 2003 9.294961225683108 2004 9.489906340815956 2005 9.157768367115237 2006 10.411895873325086 2007 10.813985927955502 2008 10.672674529000364 2009 11.283885419663667 2010 10.882320176411513 2011 10.611772213991866 2012 10.100042239633645 2013 10.044071147007644 2014 9.899578261884384 2015 9.837213308476548 2016 9.8953865242451 2017 9.72025846741377 2018 9.267374873572033 2019 9.48428195575809 2020 12.555429722822531 2021 11.799886034757042 2022 9.850169826523238 2023 10.139683583344098