Annual % of GNI
1970 19.5864312267658
1971 27.734204793028322
1972 31.953125
1973 29.364461738002607
1974 21.94352658455993
1975 20.78151986183074
1976 25.643248548294757
1977 25.690733371233655
1978 23.948008618892054
1979 25.94897037405748
1980 24.185308183862873
1981 21.121106136280126
1982 20.47567629040167
1983 21.668691762268598
1984 22.677361903192192
1985 28.779978900562874
1986 27.96038105681287
1987 20.666818272815348
1988 21.60410271617263
1989 23.156908881702893
1990 24.7942786056046
1991 27.649826288531415
1992 28.271100245265252
1993 26.685151516654024
1994 25.402229665513605
1995 24.8717055446209
1996 25.41375888428066
1997 26.06244828509566
1998 26.367629618440112
1999 26.165939663770786
2000 25.73886330425168
2001 24.939398600139977
2002 23.952638602612808
2003 24.27545782596819
2004 25.101104132247336
2005 26.864366776124207
2006 28.037762854589108
2007 27.19949063434855
2008 24.733881027669696
2009 24.96371935683275
2010 25.248489487499775
2011 25.381321853497134
2012 24.773927614577772
2013 25.57789511020864
2014 27.04555460336005
2015 27.482558596482857
2016 27.12165305597666
2017 26.83624514544572
2018 26.933287943661085
2019 27.261034425655208
2020 29.279448757240647
2021 29.65562639159232
2022 31.153142458467553
2023 31.22949291020804