Year % of GNI 1979 44.16970279193453 1980 34.90835203166458 1981 29.26275514412678 1982 50.29109127859785 1983 61.95286197873399 1984 54.55630371443851 1985 31.73613612468783 1986 30.688741852218264 1987 45.56502129792032 1988 48.086202318742274 1989 44.46470674833275 1990 47.812955430137905 1991 62.864386970046844 1992 59.27521538563508 2006 2.9688853361305734 2007 7.641948210343818 2008 5.723020889021967 2009 2.4949081192566807 2010 9.952197773984569 2011 5.68449036678017 2012 17.5282797154187 2013 16.82263585118714 2014 32.6344242995154 2015 36.86031648710158 2016 26.12432819549526 2017 36.298618044664856 2018 34.264957623958 2019 31.158520243030953 2020 30.54778516369932 2021 21.640810685987514