Year % of GNI 1970 0.020930274418604657 1971 0.026777058037901504 1972 0.06346895063702969 1973 0.6519573029147108 1974 0.4689285981431012 1975 0.41881644513796346 1976 0.402175615868845 1977 0.362980187416332 1978 0.3399585328185328 1979 0.5453213651877133 1980 1.8594323958938923 1981 2.02132495900652 1982 3.631398162426945 1983 4.429134721200908 1984 4.189616142608602 1985 8.66077027541786 1986 7.049495162262211 1987 5.740317051825209 1988 5.330464105901362 1989 4.821898587805845 1990 3.400811659761461 1991 2.797163745462888 1992 2.38026146466498 1993 2.4737536799528463 1994 3.3376732243361866 1995 4.6112026694881525 1996 4.901798862974093 1997 4.682906430458851 1998 5.1389800085374935 1999 4.906093235033031 2000 7.135701877427049 2001 8.806393948718362 2002 16.088436695900672 2003 12.619600729756469 2004 25.77719175196157 2005 16.92537752466534 2006 9.475743759708118 2007 42.20332841911335 2008 9.408232133129331 2009 7.8895119102241225 2010 7.943493971242443 2011 7.626883152921242 2012 8.695274119687731 2013 7.117755644546504 2014 4.633943701647962 2015 4.664193374095312 2016 4.806869279742519 2017 4.87727437532086 2018 5.3247692729473375 2019 4.686542848126599 2020 4.001429662450719 2021 26.348739218589873 2022 2.840475237802718