Year % of commercial service imports 1977 47.44328350442683 1978 47.265300589771286 1979 47.11207113969261 1980 47.50110661527975 1981 51.2707323620144 1982 48.968508802740786 1983 47.77041753829518 1984 49.686346444638225 1985 49.18573956548936 1986 48.247060437654945 1987 46.5457784594978 1988 47.70936186234352 1989 48.384678098326965 1990 46.3535970851537 1991 47.99520003726626 1992 47.08000762542599 1993 41.12612662944045 1994 41.08135807425099 1995 38.07262707693879 1996 38.27482043437346 1997 40.029109007558645 1998 38.80844408085645 1999 40.13544456973786 2000 39.79789490569202 2001 38.34707715488088 2002 38.51251425686415 2003 39.24848293541499 2004 42.99651581781348 2005 43.98011585636069 2006 42.162582077228926 2007 42.758556550979144 2008 43.420693411372746 2009 41.21708501693058 2010 41.23970048932744 2011 41.724652938426445 2012 44.761437063015144 2013 44.305373879468505 2014 42.94943207002012 2015 42.25285419532496 2016 41.9483135575093 2017 38.629506436951026 2018 39.11599325715757 2019 39.107932573299635 2020 38.01108902352528 2021 42.189853115201686 2022 47.536992633187715