Year % of commercial service imports 1977 43.689479730838556 1978 46.1987528194241 1979 45.175292153589396 1980 38.204972710733735 1981 36.473322012691156 1982 35.064384954252816 1983 34.6411220093501 1984 35.58196721311478 1985 34.457478005865056 1986 32.01199200532976 1987 29.05498544953288 1988 18.58117326057311 1989 18.25779870512028 1990 19.873454127120795 1991 20.261858767976037 2005 48.524878907970134 2006 52.63622325171006 2007 56.637971580273344 2008 62.36026166550281 2009 67.45185330682735 2010 66.50129001786757 2011 65.41625727930078 2012 56.58517702809609 2013 53.626405674817406 2014 56.083338287775995 2015 55.85215129613707 2016 58.42558623869725 2017 59.5868643712815 2018 61.44851116205202 2019 54.733347097555615 2020 57.92692119089944 2021 51.59022025782903 2022 47.71673275994999 2023 42.463182760118556