Year % of commercial service imports 1977 18.21847046757279 1978 19.654350500125126 1979 27.686584325775762 1980 23.836063894587866 1981 22.730724572925592 1982 19.728589903953235 1983 19.552326082719553 1984 21.871346094766054 1985 21.95521043139051 1986 22.19401182095163 1987 23.248158511226862 1988 24.48098513840134 1989 25.556804173903775 1990 24.623546013006738 1991 25.392886420629775 1992 26.01571728761504 1993 25.33542139408578 1994 24.26176945904481 1995 21.90976169827293 1996 22.52866346376179 1997 22.320838550604375 1998 22.54535895342515 1999 23.414124143841967 2000 24.425132987403753 2001 26.129009169868933 2002 25.130661951448403 2003 25.34406999388517 2004 23.613742962536087 2005 25.06064465692475 2006 24.25556078910336 2007 23.429485874814343 2008 22.503578321823998 2009 24.67106090735667 2010 23.626111140363935 2011 22.501032513827393 2012 21.68082301387816 2013 21.642710415082163 2014 22.433154978929032 2015 23.392287075941486 2016 23.469304225811317 2017 23.037851896662154 2018 22.672997281327437 2019 21.989977873235695 2020 11.646750094401911 2021 10.844866765488783 2022 15.603604097135324 2023 18.992327507423227