Year % of GNI 1960 0.023361883058248635 1961 0.5517494502722136 1962 1.4316671638133893 1963 1.1822335452175778 1964 4.349899367034858 1965 4.324402739447731 1966 3.631302584627942 1967 3.250220887299287 1968 3.6053997225906715 1969 3.7638297270604664 1970 3.7038238985217844 1971 3.3659456390977645 1972 2.6979603870054354 1973 2.6327156941413867 1974 2.543170304010296 1975 2.656050080196664 1976 2.385734516143285 1977 1.7122756358521063 1978 1.7064642746935785 1979 1.8418365900837081 1980 2.1672396474373583 1981 1.5555682023321034 1982 1.9416203244730197 1983 2.5254814340843876 1984 1.9369723266175425 1985 1.8641458199111667 1986 2.059715296001418 1987 2.614884638561636 1988 4.56577964224355 1989 4.712574319105398 1990 7.453448691659706 1991 6.905649777949726 1992 7.705519850956291 1993 7.8895098827551 1994 21.138206153984758 1995 12.109063784803299 1996 8.596148258372356 1997 4.062602478387952 1998 8.046627253363024 1999 3.813299523456953 2000 3.603148705710994 2001 1.875725175199918 2002 9.831740950990815 2003 1.9445064081367098 2004 1.086640966150613 2005 0.5552517122384021 2006 1.444716481589022 2007 0.9552576498286555 2008 1.6666318506740663 2009 9.461723937697203 2010 3.52277209994042 2011 5.886156726936819 2012 11.21752708872849 2013 4.2644471331875735 2014 1.9298341331167448 2015 1.454592106871592 2016 1.3009932903582409 2017 1.62663896036092 2018 1.6874889627883978 2019 1.9993199693260923 2020 2.5541077143864532 2021 2.234086614025368 2022 2.908986131046676