Year % of commercial service imports 1977 47.42274053486451 1978 47.25567224538101 1979 47.112620744811075 1980 47.50176413344349 1981 51.253810947177506 1982 48.97138207432927 1983 47.78317317501767 1984 49.708121185052235 1985 49.19614448092592 1986 48.267803010587656 1987 46.576659951930495 1988 47.729274755823646 1989 48.358501634625696 1990 46.32553335739302 1991 47.96135834170552 1992 47.04712151180884 1993 41.12347881936003 1994 41.0716760639374 1995 38.063989279044456 1996 38.27698238144515 1997 40.02845176743869 1998 38.815159522067965 1999 40.146982232569954 2000 39.7920157377744 2001 38.338106352467186 2002 38.5148408845019 2003 39.24790646008731 2004 42.99837265311576 2005 43.98447535629605 2006 42.17519609218829 2007 42.75669112853767 2008 43.42239827839867 2009 41.23048443492531 2010 41.26377126464405 2011 41.74146631966297 2012 44.75136889391607 2013 44.27530557823373 2014 42.927613463308155 2015 42.23135147771814 2016 41.91270245178911 2017 38.59490624762062 2018 39.07511415906657 2019 39.06629161545545 2020 37.984139630817815 2021 42.152503286157824 2022 47.46726810796201