Year % of commercial service imports 1986 1.237745098039216 1987 1.4825581395348824 1988 1.5989628349178973 1989 1.1056338028169026 1990 1.2663975782038408 1991 27.370100273473163 1992 30.919340849956633 1993 28.018752547900434 1994 20.344730149759833 1995 5.365102950541276 1996 0.480005086146609 1997 1.8533735049758058 1998 3.073897743738373 1999 0.864513211223016 2000 1.8113706872658668 2001 1.9248795175019218 2002 1.4635083841829626 2003 1.042766312362502 2004 1.2348041627936654 2005 1.6527463632948485 2006 1.8937492855755533 2007 2.008480249944208 2008 2.0541893682815497 2009 2.422472296194491 2010 2.170312908567939 2011 1.5429322631979487 2012 2.3987472417965683 2013 2.6742590698748883 2014 3.3819128585154776 2015 4.257858216242642 2016 3.8916378001715346 2017 3.0023250001102437 2018 3.369974233234193 2019 4.048059130629015 2020 4.620577501234138 2021 5.161523053387853 2022 5.971880931653627