Year % of commercial service exports 1970 0.8316008316008316 1971 0.9505703422053232 1972 1.3757523645743766 1973 1.1363636363636365 1974 0.9428403064230996 1975 1.1152416356877324 1976 0.9242144177449169 1977 0.7761966364812419 1978 0.8559732043170823 1979 4.245109476656615 1980 3.9884544738913674 1981 4.780530204259017 1982 4.71976401179941 1983 5.2507836990595615 1984 4.684344688317277 1985 4.646181468823335 1986 6.256508852038772 1987 6.287801522734281 1988 4.76083859149196 1989 4.465682015638575 1990 3.4629133154602325 1991 3.6742069334761074 1992 3.1372549019607843 1993 3.561770841381442 1994 3.710855465916095 1995 4.13245416564757 1996 4.520642590126879 1997 5.26945597785585 1998 5.95835100587976 1999 10.768113041093047 2000 11.362668632969498 2001 11.21004053044859 2002 12.238595189866194 2003 13.672874892190242 2004 15.059298996848614 2005 15.147406911412567 2006 16.33417107201664 2007 17.872000707760296 2008 17.900695027467577 2009 17.619939432578896 2010 18.009896328408857 2011 18.573521459437515 2012 18.319264072530384 2013 17.983869580425598 2014 18.519819463054482 2015 17.542932487762172 2016 17.51291108515889 2017 18.43412443780128 2018 18.42404797643862 2019 18.54886800837165 2020 24.258575647432984 2021 24.9656895248963 2022 21.15501708881294