Year % of commercial service imports 1975 31.05263157894736 1976 29.55465587044534 1977 26.190476190476318 1978 29.44444444444441 1979 44.18604651162791 1980 50.84269662921349 1981 44.80234260614943 1982 44.58977407847794 1983 47.037914691943314 1984 52.29357798165131 1985 59.97993981945836 1986 61.7743702081053 1987 66.14090431125115 1988 64.6365422396857 1989 63.74156219864986 1990 65.512978986403 1991 65.44622425629291 1992 54.89583333333324 1993 54.73579262213363 1994 59.42164179104482 1995 58.766859344894094 1996 59.50386854909472 1997 58.61788617886178 1998 59.264410446607926 1999 58.69362099719693 2000 60.63222944065917 2001 62.88414370220755 2002 61.89160037751106 2003 60.49599805966528 2004 59.684832567301406 2005 60.883367839889544 2006 63.28910805839292 2007 63.23677328505316 2008 51.15373014277084 2009 48.026731275708585 2010 44.91917971470959 2011 45.859896063458585 2012 46.212896762468084 2013 48.571862952638895 2014 50.444170375627586 2015 56.06924263977674 2016 48.315409112947876 2017 46.166769184022485 2018 40.46083735907456 2019 55.2842915524014 2020 39.781664418594495 2021 39.36757507094383 2022 50.31532943780462 2023 51.39331042189268