Year % of commercial service exports 1977 39.26976565071455 1978 38.54571994383014 1979 46.17099663316043 1980 46.04479788084189 1981 44.934853701141066 1982 45.49899219222289 1983 37.6870035942432 1984 36.480766283039024 1985 32.578312361466935 1986 36.770074753435196 1987 27.122368902523743 1988 25.184470579895965 1989 25.90584368276496 1990 44.91453896710212 1991 32.4342001808264 2005 16.360899756839224 2006 19.588278258737432 2007 21.32096754703238 2008 21.16838700961607 2009 21.98163060266424 2010 23.36989729535929 2011 25.14012854017609 2012 26.15635013463285 2013 29.986249198112883 2014 32.62347064912417 2015 32.151468675978755 2016 32.97688921619907 2017 34.130258384710665 2018 39.4330242449477 2019 36.9666621350264 2020 51.65323208057062 2021 47.968349507692764