Year % of commercial service imports 1977 25.882053655078447 1978 28.092949341349268 1979 27.574210514321127 1980 26.80685737519045 1981 24.126052366966345 1982 24.728943471089 1983 25.92230595354468 1984 25.308270335497266 1985 28.777330751448186 1986 28.284080739574442 1987 29.174473425833675 1988 26.97601551842784 1989 24.1423496986011 1990 25.76889354324427 1991 24.178920899433663 1992 24.804417354753507 1993 29.8859340133507 1994 27.499534308734773 1995 31.03169152882887 1996 32.71306457879371 1997 28.88919429894838 1998 29.737673934515193 1999 30.90408948116646 2000 30.52657123689666 2001 32.04738178475196 2002 32.60305664217825 2003 29.113823040267835 2004 27.380443398473187 2005 30.02705325072295 2006 29.974546055352075 2007 29.117911794698752 2008 27.396927872478276 2009 32.25645114602326 2010 32.769683970904495 2011 33.69113350729917 2012 32.48164139807998 2013 33.884451943513085 2014 35.56895055247729 2015 34.7776124185323 2016 37.17936008637261 2017 36.970370048697305 2018 37.733566459234616 2019 37.77064436763184 2020 44.11307331458198 2021 40.52549021623441 2022 34.245580459871235