Year % of commercial service imports 1974 11.792616595301475 1975 11.16629711751664 1976 13.356112376613527 1977 13.755431409062698 1978 13.305174234424442 1979 11.851163807234219 1980 11.316902435467384 1981 14.02670960935113 1982 14.677161480752703 1983 12.221904852581837 1984 12.289123577012742 1985 5.630434782608714 1986 6.595174262734576 1987 6.490765171503971 1988 6.8530502435832235 1989 6.899475770671634 1990 5.6674104468186295 1991 3.3595030338294523 1992 5.4136857126328195 1993 6.97994136451727 1994 7.491458937444305 1995 10.389632515859507 1996 9.76720701008806 1997 12.185098260422816 1998 9.73138923787448 1999 9.26678405345613 2000 9.181343892452661 2001 10.200230555168046 2002 11.18113780878957 2003 13.424806278071205 2004 11.191201911195304 2005 11.152725173535337 2006 9.790047430043423 2007 9.811333576846955 2008 4.841742330521144 2009 4.838856617312129 2010 4.839318408120004 2011 4.806470544298266 2012 7.5071692383048365 2013 2.976917043601898 2014 2.400587719679682 2015 2.5755898326765396 2016 1.9264317145309957 2017 1.823619936979307 2018 1.874254566298519 2019 1.7841954153287451 2020 1.5094454219279372 2021 2.1227904558356774