Year % of GNI 1961 5.93934321511083 1962 5.313398490938759 1963 4.206434986996581 1964 3.4884216386988154 1965 2.5124832886828745 1966 2.22100794840743 1967 1.5449290437125516 1968 1.3111085490766523 1969 1.2909505083240223 1970 2.228352659314899 1971 1.8987512486632538 1972 1.7242931820444205 1973 2.803284385797948 1974 2.8772170110413873 1975 3.8190992484925634 1976 3.0558166305061425 1977 3.109624021895494 1978 3.0731160122153436 1979 2.6560375168348545 1980 2.5550909992470823 1981 2.582479563503708 1982 1.8794559793342027 1983 1.3334542079531722 1984 1.235454119013749 1985 1.233753433800042 1986 1.0433925145037726 1987 1.3466747495736822 1988 1.0965364090171743 1989 1.1196991633003186 1990 2.354710450548328 1991 4.486983700407655 1992 2.5708357163988853 1993 1.9895864021278515 1994 2.2895549859502675 1995 1.6367098959147488 1996 1.5418634511795621 1997 1.3756395620998554 1998 1.3370399451531805 1999 1.189981430215674 2000 0.9985279918236717 2001 1.0321042120710475 2002 1.0228120326608172 2003 1.6371344231283718 2004 1.784719465637166 2005 4.052440788488943 2006 2.083394707013447 2007 1.7600928896422734 2008 1.9124239407466053 2009 1.062486721193291 2010 0.8775058523517228 2011 0.9529592695502622 2012 0.7712363523561516 2013 1.5877030754214927 2014 2.0205116458724177 2015 1.3342077062510422 2016 1.7784370982284792 2017 1.887692176780697 2018 2.2798777853871868 2019 1.9533834952605935 2020 2.154520225509806 2021 2.2858286167630233 2022 1.7016890161428984