Year % of GNI 1960 0.7885197947067583 1961 0.7981369411237107 1962 0.90911149754745 1963 0.8816668968507799 1964 0.6795994474263796 1965 0.8880818556358651 1966 1.7068138246159728 1967 2.514610770219814 1968 2.936891571531398 1969 2.552193768337853 1970 2.2939196325781266 1971 2.5521519835767648 1972 2.363426156608387 1973 2.1102001964761827 1974 2.3826948520513715 1975 4.197570805949551 1976 5.245125581496171 1977 4.969084509016466 1978 11.911095366036475 1979 9.220634734600253 1980 9.37191777771894 1981 8.323450632232966 1982 8.249027987224105 1983 8.565823313277035 1984 7.2976249269263365 1985 7.373953269756453 1986 7.955702279515347 1987 6.450008682638354 1988 8.195023265548086 1989 7.8059800816261085 1990 7.724925643044789 1991 8.270930260898766 1992 5.273796929381335 1993 5.266415757969278 1994 4.400527159781703 1995 3.6663132634187128 1996 2.537405571142517 1997 1.7012890807047616 1998 2.0682666226101567 1999 1.1836983952497273 2000 1.3887873731471672 2001 1.7194207472929837 2002 1.5343995904006884 2003 2.810781496761515 2004 1.9960754297292937 2005 4.313140613573424 2006 2.4560437611187385 2007 1.354430917368648 2008 1.3788643042317377 2009 1.1201319312736955 2010 0.9627704229177702 2011 0.9130020382368889 2012 0.7089787751429872 2013 0.5357818588165848 2014 0.6090526601947879 2015 0.535391106666881 2016 0.4351955468709324 2017 0.34343305305938593 2018 -0.2685029810203974 2019 0.22150179350039156 2020 0.265968431294466 2021 0.17791640281719778 2022 0.0153047141864274