Year % of commercial service imports 1975 31.64572659285772 1976 30.49612351196103 1977 30.75525978375951 1978 30.81682124350108 1979 30.354848773068568 1980 31.37068834517671 1981 32.56919790774452 1982 34.37575541001892 1983 34.254457006476514 1984 33.46151891812504 1985 34.124353255701315 1986 33.861109317786294 1987 33.00981618014426 1988 31.50087170183852 1989 31.83331914324773 1990 33.614864075959574 1991 33.27688176687988 1992 31.893677466648512 1993 34.61124871084154 1994 36.67917222598385 1995 36.900057642665814 1996 36.880071422134264 1997 38.51313618746426 1998 40.000418987208405 1999 43.006970618579096 2000 44.66244240504279 2001 46.38731643461489 2002 45.68955187628922 2003 45.71462984141659 2004 46.79500812348291 2005 47.39526823577443 2006 47.40342823898372 2007 47.60405783311398 2008 47.51095225123189 2009 49.45785019733188 2010 48.398818812366535 2011 48.71172912721799 2012 49.982682774025065 2013 48.78673739355855 2014 49.86998553244071 2015 52.36853291632604 2016 52.152143084884464 2017 52.055333522842034 2018 52.02762218256579 2019 52.56609206782263 2020 59.753710379500134 2021 56.06333943809998 2022 52.059001427213126 2023 52.719860396257985