Year % of commercial service imports 1977 25.882053655078447 1978 28.092949341349268 1979 27.574210514321123 1980 26.806857375190447 1981 24.126052366966345 1982 24.728943471088996 1983 25.92230595354468 1984 25.308270335497273 1985 28.777330751448186 1986 28.284080739574442 1987 29.174473425833675 1988 26.976015518427847 1989 24.1423496986011 1990 25.76889354324427 1991 24.17892089943366 1992 24.8044173547535 1993 29.885934013350706 1994 27.499534308734773 1995 31.031691528828862 1996 32.71306457879371 1997 28.889194298948365 1998 29.7376739345152 1999 30.90408948116646 2000 30.526571236896668 2001 32.04738178475197 2002 32.603056642178245 2003 29.113823040267842 2004 27.380443398473187 2005 30.02705325072295 2006 29.974546055352075 2007 29.117911794698752 2008 27.396927872478283 2009 32.256451146023274 2010 32.769683970904495 2011 33.69113350729917 2012 32.48164139807998 2013 33.88445194351308 2014 35.56895055247728 2015 34.7776124185323 2016 37.17936008637261 2017 36.9703700486973 2018 37.733566459234616 2019 37.77064436763184 2020 44.11307331458199 2021 40.525490216234424 2022 34.245580459871235