Year % of commercial service exports 1972 0.4361617763679623 1973 0.5349276274386399 1974 0.5561735261401539 1975 0.43258832011535714 1976 0.6093314763231193 1977 0.7707129094412352 1978 0.9419152276295136 1979 1.1543450064850838 1980 1.1249144086862963 1981 0.9084229510386748 1982 0.8386232601479242 1983 0.8751529987760094 1984 1.1401535717055755 1985 1.0380622837370248 1986 1.7135624574043435 1987 1.7647254686511484 1988 1.3176282691155918 1989 0.9987515605493136 1990 0.695348151232799 1991 0.8322547188505262 1992 1.042329877962764 1993 1.41527899063507 1994 1.4378469397947993 1995 15.582457830276228 1996 15.645420670719762 1997 18.105496270269295 1998 13.796143944702019 1999 12.14507599253682 2000 9.198940014022625 2001 10.073690335579801 2002 11.145189335394132 2003 12.406072106261872 2004 10.99752974306623 2005 11.641414742679059 2006 12.957881903012941 2007 15.745099175169583 2008 14.038657657091969 2009 15.172000524334676 2010 14.629367002558022 2011 14.811141902687828 2012 14.927651896318336 2013 15.364539570219701 2014 15.894231822508722 2015 16.26461464987387 2016 17.236506410607742 2017 18.612390836309043 2018 18.724173664616607 2019 18.374365464008267 2020 19.7320710607998 2021 17.369678204568615 2022 16.803178247899837