Year % of commercial service imports 1976 4.058375288154282 1977 1.5936597726473218 1978 5.596350104845379 1979 4.968305734957786 1980 3.6230259881573517 1981 5.428836439965867 1982 4.630014711173381 1983 6.938199189197134 1984 8.355201778932983 1985 11.308761062334439 1986 13.478184118776696 1987 12.906251764925555 1988 20.088209642764152 1989 20.72922643576239 1990 14.06499798002897 1991 14.94080392247337 1992 17.205839272088767 1993 19.606395823925077 1994 22.60407187746402 1995 19.585584112279776 1996 12.527216131079266 1997 15.00310366077236 1998 12.940955292784098 1999 15.805293508230974 2000 18.693748290463372 2001 11.482690260314737 2002 8.539943989529407 2003 10.303492840928454 2004 8.665680929519407 2005 6.2818528306574795 2006 6.047616080857815 2007 5.423290715421449 2008 5.116936487047124 2009 7.824484122648184 2010 6.322162716375662 2011 6.663274127718009 2012 5.811867246091945 2013 5.649618089072346 2014 5.40054212011348 2015 5.77805571256242 2016 6.364096908441633 2017 7.286512787663295 2018 8.147678134082197 2019 9.855155143108817 2020 5.204447353802322 2021 6.000046429615516 2022 11.249658089719109 2023 15.683371316763923