Year % of commercial service exports 1976 0.9475218658892128 1977 0.9644364074743821 1978 0.6301502666020359 1979 0.6734006734006733 1980 1.0800196367206676 1981 0.8433200177541057 1982 0.7751937984496124 1983 0.81799591002045 1984 0.7977662544874352 1985 0.8051529790660225 1986 0.8761329305135951 1987 0.7994004496627529 1988 0.9600808489135927 1989 1.0749798441279226 1990 1.5003055833824726 1991 1.5493220736651219 1992 2.670971952698453 1993 2.29468036082331 1994 1.0579796404808435 2009 7.965736302020329 2010 9.099227424577155 2011 8.125229672219653 2012 6.765315129435505 2013 5.157635904245506 2014 4.515901904979908 2015 3.386971593176427 2016 2.556488965769847 2017 2.855365078095485 2018 2.812049302571663 2019 2.3635161421877307 2020 5.363834747333424 2021 4.055226856292033 2022 2.811273261050282