Year % of commercial service exports 1976 19.64375994715506 1977 25.49432561835377 1978 23.415748318817577 1979 31.199572327211992 1980 33.7915928709067 1981 21.63050068295003 1982 17.447317992150747 1983 26.12500139408956 1984 23.63389185145034 1985 20.584195312015023 1986 21.40413227963249 1987 20.21093583522542 1988 17.13318992178006 1989 14.0577710479382 1990 12.029922072397568 1991 9.447251389779478 1992 6.332988767551592 1993 7.0923088121688505 1994 12.742421033387677 1995 7.834007124327641 1996 3.1493385384146366 1997 2.0318190164711933 1998 4.735204944273249 1999 2.3725271985139122 2000 2.9694921973932478 2001 1.8092288351713712 2002 1.7044465625845446 2003 1.836700897594296 2004 3.205558308022087 2005 1.2713944462702764 2006 1.4377224949087508 2007 1.543886728917409 2008 0.8538236017310251 2009 1.3115052803959082 2010 0.8157904605350865 2011 1.5108501888374084 2012 0.5377021827812953 2013 0.9746415135714 2014 1.544694077521912 2015 1.5263072302653917 2016 0.8548281840226453 2017 0.7726948927541973 2018 1.2856415788139322 2019 1.488150272607064 2020 0.7534010299033007 2021 1.077813876380581