Year % of commercial service imports 1970 18.551042810098807 1971 19.939577039275093 1972 19.75881261595562 1973 20.934111759800004 1974 21.689059500959743 1975 24.692327403058755 1976 26.412259256923704 1977 25.822758318919554 1978 26.912464057788227 1979 29.38978167809688 1980 27.44276006565306 1981 29.935151483971083 1982 33.28772680293967 1983 38.265683590170745 1984 37.4826025313888 1985 38.25236539965626 1986 39.057599513450214 1987 32.547585753231445 1988 31.977165435795442 1989 31.56698053251776 1990 31.61337959359284 1991 29.834507346082788 1992 28.404490833225964 1993 34.13510569746886 1994 35.479858860049816 1995 37.40959541788481 1996 37.80299199729356 1997 39.3222091418443 1998 42.34451532198325 1999 45.91244449402263 2000 49.77976940246525 2001 54.77097117252281 2002 53.2605190062906 2003 49.34833067377035 2004 47.27693771343195 2005 46.17204904688012 2006 48.70639986203 2007 49.443539287872326 2008 49.92984648231356 2009 53.71017731166813 2010 50.35471009601184 2011 50.9491481775176 2012 51.26731663161633 2013 52.47478562020623 2014 55.439248212423934 2015 55.8768987339648 2016 57.415067772007575 2017 56.9936523443983 2018 57.215835446361524 2019 61.454077170022444 2020 74.28059904361527 2021 73.61425483071984 2022 70.1444480874053 2023 70.77250435759758