Year % of commercial service imports 1975 38.6767551857871 1976 42.82053429567917 1977 40.075876942508145 1978 40.525165893682406 1979 41.216775932726854 1980 40.2764161900071 1981 41.54898458093596 1982 38.37190512783554 1983 37.68946129749789 1984 37.78910459088804 1985 36.52936180436178 1986 33.89085828457833 1987 33.616723780217825 1988 32.923212412179254 1989 33.555074986502326 1990 30.80261691250273 1991 29.668151361560195 1992 27.832855453471286 1993 27.452944963734886 1994 27.110770101586986 1995 26.749734032848416 1996 26.15589591862636 1997 25.966692981762606 1998 24.82496294183631 1999 23.15371356061737 2000 22.853894509209795 2001 22.429520484656816 2002 22.526419661648735 2003 22.73489492552194 2004 23.321566049039443 2005 23.068588721765924 2006 23.383473810702952 2007 24.068533590772383 2008 24.26522789307492 2009 21.338841138382975 2010 23.174651375919815 2011 23.069098358910097 2012 22.77352119433384 2013 21.021992437442837 2014 20.249979174851305 2015 19.593670767619468 2016 19.55804488467022 2017 19.721978294669565 2018 20.123762154360346 2019 19.874362789176597 2020 20.167256958137813 2021 22.235571191518396 2022 23.566783890134666 2023 20.97905741604023