Year % of commercial service imports 1975 32.8761262482078 1976 38.10476282789584 1977 36.39248158323854 1978 35.66234125988386 1979 35.979439830729056 1980 34.704386430736186 1981 36.276321987862275 1982 34.536922718058456 1983 34.72073798870593 1984 35.094744826083485 1985 33.38719025109875 1986 30.61312821756854 1987 30.444090258650437 1988 30.81754195680304 1989 30.891613349103977 1990 28.186280691331046 1991 27.53285886327309 1992 26.22309214615101 1993 25.641374636679053 1994 26.11524997248138 1995 26.05362284967135 1996 25.39297865780046 1997 25.135763938664113 1998 24.548980778120097 1999 23.57231566200616 2000 23.89060681518621 2001 23.08807938232691 2002 23.311278328179085 2003 22.794173007359955 2004 23.408597615236488 2005 22.885206286653872 2006 23.472349269161672 2007 24.027086244606735 2008 24.332590583422512 2009 21.309375356928264 2010 23.695702817719994 2011 23.536829850990838 2012 23.035246425864486 2013 21.67157305622942 2014 20.723817442102717 2015 20.155691622720493 2016 19.91939612695587 2017 20.029855595254887 2018 20.38246010535053 2019 19.976876266689388 2020 20.680732820160664 2021 23.171430411578704 2022 24.391554803230473 2023 21.302996466397737