Year % of commercial service imports 1979 10.29707657710938 1980 10.331467929401825 1981 17.265343715984343 1982 16.35400016825092 1983 16.969218626677005 1984 19.737506309944195 1985 21.879699248120403 1986 17.543859649122695 1987 13.702042850024753 1988 14.989561586638644 1989 15.674083769633711 1990 16.784203102961783 1991 27.055150884495234 1992 27.5862068965516 1993 26.485419864064923 1994 29.91656734207406 1995 31.65260736196315 1996 28.261269549217985 1997 31.487198111494436 1998 37.44674376141212 1999 33.7001950404012 2000 22.50733375093347 2001 16.615651987840295 2002 16.652030991388713 2003 17.165957990543077 2004 15.308700197498013 2005 20.62471762686856 2006 20.75141341953315 2007 19.20001645774009 2008 19.546716715131154 2009 24.295168719484238 2010 13.058264070655369 2011 17.43189311664588 2012 18.7542065129238 2013 14.101970289476384 2014 18.390721546158275 2015 18.147831316497104 2016 19.28513860041602 2017 19.513287826314055 2018 18.249641805774885 2019 20.457041881130365 2020 28.12145581754197 2021 25.940028510582138 2022 17.034343784441432