Year % of commercial service imports 1974 24.030037546933624 1975 23.30046704722363 1976 24.999999999999943 1977 24.610974610974683 1978 26.100100772589798 1979 24.29800724637679 1980 25.272610647851216 1981 24.50995766034185 1982 26.70974690360797 1983 27.039056414821516 1984 27.453798767967243 1985 30.36638158589375 1986 34.455400657372905 1987 36.30765655861508 1988 32.432176057674205 1989 29.652794483200967 1990 26.888279643591417 1991 24.545096050926766 1992 24.42049393414216 1993 19.61776045769252 1994 16.728481903056615 1995 15.614644791077325 1996 14.758403361344552 1997 14.297488226059702 1998 13.757881710503087 1999 13.49531600118791 2000 12.498018703439516 2001 15.80505036039907 2002 16.109738044876025 2003 16.430924975352326 2004 16.753184155298086 2005 17.06262957983704 2006 18.17550494704136 2007 19.66948719349571 2008 22.317549059104664 2009 23.878225308785588 2010 25.691174005971884 2011 26.730992688463207 2012 28.325674036538434 2013 27.206899520902468 2014 27.57008901640301 2015 26.821471885851018 2016 26.24726205949909 2017 25.770647963333076 2018 27.352361182532803 2019 28.501890776084927 2020 14.437393429114618 2021 9.957140042990268 2022 14.763523563527055