Year % of commercial service imports 1974 13.844476744185982 1975 12.119366626065757 1976 16.998039764771743 1977 17.065429687500053 1978 20.957938244590334 1979 22.005676442762525 1980 20.363811976819047 1981 15.152534768954713 1982 17.45923138328202 1983 17.814480108029564 1984 17.12226174873613 1985 15.785629507897392 1986 16.893300248138964 1987 17.53089027352415 1988 23.74934175882043 1989 14.480055337791073 1990 12.441384814925682 1991 12.689150430224505 1992 13.107842218682622 1993 14.135654261704655 1994 14.337499323702888 1995 17.723649685627993 1996 13.985096503725877 1997 13.645655499634145 1998 12.427115411670925 1999 12.880743918774652 2000 11.897351451679892 2001 10.631932010871212 2002 9.231597362400755 2003 9.760251142382698 2004 8.313139955289376 2005 8.281166593875861 2006 6.666193551439446 2007 20.808841222371193 2008 12.631494289850428 2009 14.074838907053733 2010 14.858193967378035 2011 12.142393938359614 2012 11.097585615531806 2013 10.616405334560747 2014 10.47965991320553 2015 10.448770670137932 2016 11.319528058916555 2017 10.528013846957686 2018 10.376710126323088 2019 9.619096561080905 2020 1.9382700528542252 2021 3.8031393413574337