Year % of commercial service exports 1975 16.447368421052683 1976 18.089171974522266 1977 19.82948846539622 1978 10.71736011477761 1979 13.310463121783897 1980 24.256535947712436 1981 17.326203208556137 1982 12.76908023483366 1983 15.476190476190482 1984 5.098300566477841 1985 4.649042844120324 1986 2.9090909090909136 1987 20.414475719146303 1988 23.686553873552928 1989 26.811594202898604 1990 54.747774480712266 1991 55.10996119016822 1992 56.44292013718763 1993 54.14116687066502 1994 52.17673814165039 1995 50.60334760607243 1996 48.98203592814369 1997 41.94490818030046 1998 35.743119266055025 1999 31.118307040771516 2000 28.678142868489665 2001 24.82591660820901 2002 21.078121724556006 2003 36.05155937910671 2004 23.049460909231016 2005 21.648158332790267 2006 21.30105112991138 2007 20.354046242774565 2008 19.43897303538681 2009 19.715376605345337 2010 18.92316391279765 2011 22.191736604260832 2012 8.314714331311837 2013 8.23165008447532 2014 8.222663522402877 2015 8.75580071797566 2016 1.5960919929385051 2017 11.088983646501982 2018 7.388063032900311 2019 1.0067936295801319 2020 2.228023173272877 2021 2.0402034196932624 2022 11.09262340543539 2023 11.924170291468283