Annual % of GNI
1974 16.31243878484372
1975 9.19634703196347
1976 11.957360928579881
1977 16.001246985356044
1978 14.333107758307575
1979 13.897088191944627
1980 8.645911843992906
1981 5.900730551694326
1982 2.8756293488847873
1983 2.733026603263869
1984 4.557298403815868
1985 7.053089294919089
1986 5.938771812997379
1987 9.61970737661444
1988 13.519624956164236
1989 9.25725023043408
1990 14.551728561070291
1991 14.712124449946337
1992 13.543307419661078
1993 21.0368349504191
1994 24.940491688517582
1995 23.06181490323895
1996 21.505108116737244
1997 24.435940544164964
1998 24.728724477533735
1999 27.38564915077631
2000 20.86915332016772
2001 19.445194115514088
2002 19.43171789009554
2003 19.685993740961756
2004 21.276088913642695
2005 25.05827143997322
2006 26.366517021756227
2007 24.788948210032505
2008 22.102983135611407
2009 19.240199373776075
2010 18.393623048956506
2011 19.748635946763958
2012 17.198612458293802
2013 13.66005470459251
2014 15.997194592553337
2015 21.11480561099292
2016 21.96196674495378
2017 24.662799509898008
2018 21.253470488496312
2019 21.354302621276297
2020 23.615545274759892
2021 19.956582824626544
2022 20.67098944109314
2023 20.486870016791634