Year % of commercial service imports 1979 6.437326148067971 1980 6.828545666666293 1981 6.921980927278537 1982 7.2565383976840385 1983 7.483322565799015 1984 8.121114808833536 1985 7.610122480555823 1986 7.33294940077075 1987 8.241709691379713 1988 7.769407184439425 1989 6.968179144055763 1990 6.192008146072803 1991 6.012934033331741 1992 5.629411815301266 1993 8.472739225304752 1994 8.032476673305286 1995 9.804656475715491 1996 20.002307060575188 1997 21.236529515318153 1998 8.686880568302467 1999 8.973807311049663 2000 10.098099458632772 2001 11.043278589564204 2002 12.2117048270069 2003 12.597244968671568 2004 11.364549086737398 2005 11.133303153016431 2006 10.869812457995325 2007 11.56926721531966 2008 10.970007236302392 2009 12.913263991495834 2010 11.849732022536335 2011 12.467417838617175 2012 11.692706380056434 2013 12.372394508696987 2014 11.256050491524261 2015 11.64054378860191 2016 11.119666774017949 2017 11.491774376741837 2018 11.472704746832939 2019 12.755607199498362 2020 15.853414477963437 2021 13.274947582790315 2022 11.498802189175409 2023 11.93144703308646