Year % of GNI 1970 0.668444881977185 1971 0.6056947069803259 1972 1.1343022064312065 1973 1.1794531267677968 1974 1.0793745442226552 1975 1.9133117116727578 1976 2.6416712065343235 1977 5.228614866718474 1978 4.17002310325931 1979 2.278528506708668 1980 2.419082601390967 1981 5.32082878394973 1982 6.287457414327176 1983 4.794378811176607 1984 7.650011503109614 1985 8.66923127820926 1986 8.718120590088585 1987 3.562677761599678 1988 4.928563064409017 1989 3.0634343898804515 1990 2.6482286499308594 1991 1.7235843701524762 1992 0.8177369373733521 1993 0.7402339644821108 1994 0.9011232849903711 1995 0.7737927632589475 1996 2.135460987783223 1997 1.989961325305387 1998 1.1620359709794224 1999 1.2630448639952891 2000 0.7016306800187385 2001 0.9030387115534629 2002 0.10516263218847695 2003 0.10712758725190262 2004 0.13765252529209446 2005 0.26016268324667374 2006 0.5245715394910068 2007 0.1423138488737136 2008 4.192912327708213 2009 1.1187631227672044 2010 0.7580611785791639 2011 0.2618340555480992 2012 0.4179379860395509 2013 0.8145878736108466 2014 0.7380274860540358 2015 0.7394841456516947 2016 1.0664936762779618 2017 1.1673476667394374 2018 1.1590497950506564 2019 1.233494413995416 2020 1.1533168776874072 2021 1.2887495442033763 2022 2.154298478472843