Year % of commercial service imports 1971 14.024390243902438 1972 15.757575757575754 1973 16.12903225806451 1974 13.15789473684209 1975 15.282392026578101 1976 16.23931623931619 1977 18.976545842217444 1978 19.391634980988677 1979 18.437500000000032 1980 22.648514851485192 1981 21.491228070175424 1982 24.036511156186666 1983 26.027397260274032 1984 24.207188160676505 1985 23.588709677419295 1986 25.27985074626864 1987 29.221854304635787 1988 29.9023290758827 1989 25.68870523415987 1990 27.10452188652906 1991 25.946985787627597 1992 24.00118006348302 1993 25.774430568972072 1994 26.165041148968314 1995 30.499744694075957 1996 30.894641999441504 1997 28.817152590360788 1998 27.744004121453926 1999 27.04255184154715 2000 26.462366684896182 2001 23.75935961638767 2002 19.319775679500935 2003 24.33486379207496 2004 9.07938070544249 2005 8.254921091563606 2006 7.585293959932611 2007 4.56753820422907 2008 3.8971309801838134 2009 3.4646943875873055 2010 3.668173396828828 2011 3.561683371973405 2012 3.6758329270565984 2013 3.8393767880595506 2014 3.82428936506469 2015 3.589675801853677 2016 3.945056544097104 2017 4.045103705492896 2018 4.170492160802204 2019 3.706715317994768 2020 0.8302345685328859 2021 1.4048609957262383 2022 2.51612870508436