Year % of commercial service exports 1977 31.07328537022801 1978 27.352315796578004 1979 22.78000490587826 1980 20.684765809510278 1981 26.604352259902033 1982 20.474745006396343 1983 15.425118427250538 1984 24.003373649193854 1985 14.621717622424491 1986 12.856030041265079 1987 40.237296009622 1988 40.80954038778997 1989 69.26002213298183 1990 66.6460080855484 1991 60.289942235198936 1992 60.95000694513345 1993 59.18242733157478 1994 60.632594546911555 1995 57.613237325669985 1996 63.127653821914706 1997 58.864137246917025 1998 61.4835125693361 1999 61.65416426556445 2000 61.521170665908386 2001 59.649089704912434 2002 61.19938842765315 2003 61.73352471801678 2004 58.620377212083746 2005 19.183466842514484 2006 17.82548946442763 2007 19.928997256440027 2008 21.45274479140396 2009 20.885895730137577 2010 24.05732823270092 2011 28.282088972085127 2012 28.201949068081362 2013 32.55378408396341 2014 28.794586882178848 2015 33.16606059919413 2016 22.18635499874401 2017 23.8700682413507 2018 24.038947313113304 2019 26.535540230735325 2020 29.30093303177041 2021 24.888976873954725 2022 23.168999429958266