Year % of commercial service imports 1976 4.0744021257750225 1977 5.276639344262295 1978 6.698872785829307 1979 11.96808510638298 1980 9.736805458849743 1981 11.223889755324317 1982 16.49188709761569 1983 14.415115886734666 1984 14.682802547770702 1985 17.354567066708675 1986 15.562325463315563 1987 13.341109887023956 1988 20.058952837729816 1989 28.298940591443056 1990 27.43582119139657 1991 26.900379196906155 1992 24.17631210584145 1993 23.95977432392112 1994 24.72250528691803 1995 24.956115147555437 1996 25.652515265068793 1997 24.06735760218509 1998 14.386162750203146 1999 18.22754839866157 2000 21.626563566067773 2001 23.372845521969 2002 28.751943905615484 2003 25.160697430584438 2004 24.809213209135265 2005 26.20527885176384 2006 27.17143525781595 2007 26.313247583106737 2008 19.763762459824168 2009 18.51967274097907 2010 19.553918452833727 2011 19.62983729750876 2012 19.251226694666325 2013 19.937904731379476 2014 20.317286776680675 2015 22.809795162354575 2016 24.596294376921925 2017 25.403296591427388 2018 26.71367188955369 2019 25.396862336243863 2020 15.63408702951472 2021 14.40057895021658 2022 15.130277769505712 2023 18.68765111068451