Year % of commercial service imports 1975 7.373271889400925 1976 8.80952380952381 1977 11.269841269841265 1978 20.490620490620486 1979 22.783505154639172 1980 28.15013404825737 1981 30.72792362768496 1982 37.38532110091743 1983 30.107526881720418 1984 27.827648114901265 1985 19.26770708283314 1986 32.33103835885906 1987 27.934305535891255 1988 25.99491455265803 1989 30.135678734574213 1990 27.883019458079616 1991 24.12822831876194 1992 25.323307028054373 1993 25.37239513886243 1994 31.663124150667258 1995 21.935300794551637 1996 23.667186252773988 1997 24.271351779240973 1998 26.491544269653602 1999 29.17252687227976 2000 31.76938377512994 2001 31.261495404941044 2002 28.946458978084465 2003 30.747779340454443 2004 27.541534640309592 2005 24.994044941319828 2006 23.386915478608174 2007 23.239648338484855 2008 23.41346192067516 2009 27.81561126812339 2010 25.901024970437547 2011 26.68915350449015 2012 30.763980958615804 2013 33.726512237068306 2014 35.59632926875223 2015 40.536584109777976 2016 41.92195500150672 2017 40.33526203732599 2018 43.343351926699384 2019 43.115146841612344 2020 47.8202174808392 2021 39.81182895365565 2022 31.289602162337417 2023 35.57087779490959