Year % of commercial service imports 1977 38.73133103561474 1978 36.77723232055197 1979 38.316082359487986 1980 41.74449161107743 1981 42.19858789882912 1982 40.9971196204676 1983 39.15115959299659 1984 38.657377049180305 1985 36.90452916259371 1986 38.68532089717967 1987 46.39607903201099 1988 49.85675306957699 1989 55.07239552678068 1990 57.60809126641762 1991 56.08499678042489 2005 39.65213562307345 2006 36.0908890359582 2007 33.53401017185759 2008 29.432171707571776 2009 26.226967217905678 2010 25.850077034126834 2011 28.30101873523278 2012 36.155959022435695 2013 39.262314882817776 2014 36.09141789301694 2015 35.09604587233059 2016 34.75898526907953 2017 32.19239447354567 2018 31.6061259716804 2019 36.368109238333226 2020 36.09340156595485 2021 42.194744887751945 2022 43.044276193365555 2023 44.51062624145121