Year % of commercial service imports 1976 1.627906976744186 1977 1.1133603238866396 1978 1.545253863134658 1979 1.6260162601626018 1980 1.631321370309951 1981 1.4659685863874345 1982 1.3255240443896426 1983 1.3945380592678676 1984 1.5727002967359052 1985 1.8037715222738453 1986 1.905252317198764 1987 1.7572254335260118 1988 1.6536118363794605 1989 5.3371358728865355 1990 5.3066717938857915 1991 5.7473558172021555 1992 6.461797516312355 1993 9.673655286633794 1994 12.132973337833278 1995 12.289395441030724 1996 10.789001793185895 1997 8.19838056680162 1998 6.35918193438432 1999 6.8099547511312215 2000 7.648795392142695 2001 9.316077206292537 2002 9.974701662664481 2003 10.48321535502548 2004 6.979012482995234 2005 8.016746708710476 2006 7.9982511691993805 2007 7.126307589822578 2008 8.159830849276908 2009 8.653713990778723 2010 15.014974086108266 2011 14.776039190557889 2012 12.72505059531632 2013 9.779596759016215 2014 8.381923097717259 2015 11.239290674238728 2016 9.8435127435794 2017 6.80245516002538 2018 9.253495666463595 2019 8.753895212960371 2020 13.138763525257364 2021 17.69025573276519 2022 15.789193471425358