Annual % of GNI
1972 26.361651029813125
1973 25.916560865470572
1974 26.563197218724856
1975 29.390673670034943
1976 30.244232859657956
1977 30.549550733666337
1978 32.53400130189879
1979 35.581700720870934
1980 35.6568119674764
1981 38.045876536982334
1982 39.19534099382124
1983 42.77052754161131
1984 44.37130496699767
1985 41.22695213024678
1986 39.78082286222735
1987 38.87207915598426
1988 41.92647991633398
1989 43.025139599163914
1990 44.17883750354549
1991 45.66405489403865
1992 46.96513729010502
1993 45.32599025061995
1994 48.03135014071145
1995 50.23092864424545
1996 49.23042558393421
1997 51.2954453659902
1998 50.60316080903352
1999 48.36443446100334
2000 46.66009407707972
2001 40.35159256431256
2002 39.20826725558487
2003 40.474551574492025
2004 43.2291834176366
2005 46.243059158782565
2006 49.51136828179985
2007 51.320933872478946
2008 46.05250319092726
2009 46.262737382272874
2010 51.144174949533664
2011 50.5460447762814
2012 49.45212781718699
2013 48.10682912415101
2014 48.9995585218272
2015 47.27169825571478
2016 47.7827895598931
2017 49.551360313068535
2018 47.53091827803729
2019 46.26701747774554
2020 47.44109249980612
2021 51.75472577318122
2022 51.651872872679306
2023 48.712018603207305