Year % of commercial service imports 1976 24.13814506172945 1977 24.316238371186582 1978 24.580537163336327 1979 24.272079780580956 1980 24.103333598502704 1981 24.90864726711918 1982 28.964951343467124 1983 28.611990151182763 1984 27.939570471939422 1985 27.67932732144116 1986 28.375326045927295 1987 27.51936693521006 1988 27.312906508897157 1989 27.569141683122616 1990 28.830050088041563 1991 29.97358360931256 1992 29.928801508502495 1993 31.645150716455934 1994 32.309350179142974 1995 32.34598836544317 1996 33.68296076745506 1997 34.36613771650814 1998 36.623678165353745 1999 38.521269335173386 2000 39.40881011655101 2001 40.108236451346144 2002 40.29315252714703 2003 40.19697083053677 2004 40.00052958209728 2005 39.80935597127805 2006 40.47993024384801 2007 40.971100285556766 2008 42.04129239178494 2009 44.14368460369531 2010 43.43249025740515 2011 44.11735666278729 2012 44.7514009887613 2013 45.014156200988566 2014 45.89676564077148 2015 46.948413889360054 2016 47.45949330216372 2017 47.39458578020579 2018 47.4452555532439 2019 48.003650623304644 2020 57.93058988505153 2021 55.99970866161691 2022 50.06117140274714 2023 49.144464626597504