Annual % of GNI
1970 21.537344914539364
1971 21.520605923726443
1972 22.045918890368483
1973 23.682118118686397
1974 22.758839167888986
1975 20.979240811152284
1976 21.584091124881517
1977 22.093889374044632
1978 23.22595865850177
1979 23.558578965762834
1980 22.324626882082057
1981 23.390313823164018
1982 21.527561075818788
1983 19.967097353052978
1984 21.910578175177374
1985 20.553066735628377
1986 19.25522970297741
1987 19.81391589336329
1988 20.65176168617436
1989 19.986228306613196
1990 18.90510625712973
1991 18.706954643181728
1992 17.646944305581883
1993 17.215479079947574
1994 18.112460704282643
1995 18.96867173359798
1996 19.744266057027545
1997 20.817827019181674
1998 21.170242686559483
1999 20.861611637238184
2000 20.796955683489443
2001 19.59842598529479
2002 18.427843187635563
2003 17.66928429770281
2004 18.079776668251338
2005 18.50450251593732
2006 19.37084921286126
2007 18.00095649821306
2008 16.000467978318333
2009 14.353248673932997
2010 15.675475796933696
2011 16.59273080296919
2012 18.285293637076595
2013 18.63877554754174
2014 19.545551676538054
2015 19.412087186951304
2016 18.464654247261905
2017 18.872109413602285
2018 19.097253543526012
2019 19.38897354799677
2020 18.56768853788985
2021 18.231268849486657
2022 18.516445666973755