Year % of commercial service exports 1974 79.60109414178264 1975 79.9959693671906 1976 67.94042862332016 1977 75.67096774193564 1978 74.25501202886934 1979 67.96359799525203 1980 67.73649873142453 1981 66.10920396398731 1982 67.76310768526295 1983 66.4425753358345 1984 52.48196573489622 1985 56.302521008403204 1986 71.21212121212127 1987 72.19730941704039 1988 44.3994586669673 1989 39.76715146761032 1990 33.41385187272702 1991 27.381771107245427 1992 30.39737128744417 1993 34.99065009349923 1994 31.857281299026862 1995 25.770968005377515 1996 12.666656047404427 1997 24.88666588601338 1998 20.814817780268708 1999 12.873022704132506 2000 14.343382671841482 2001 14.665520523132683 2002 9.103247005040954 2003 8.826701061445409 2004 16.503142085379288 2005 18.292528091076495 2006 14.87415078546259 2007 4.489250306338404 2008 3.959244471953373 2009 8.810586436128713 2010 29.100209604654363 2011 29.1522443970738 2012 27.12943382137565 2013 28.418631373129315 2014 32.138293501380765 2015 42.85011562078807 2016 44.91872384625524 2017 44.36730374269634 2018 38.64771445412986 2019 33.17758642597105 2020 39.98730873665103 2021 39.015827603499076