Annual % of GNI
1974 11.056044724068823
1975 10.168864069737179
1976 11.215814822317048
1977 13.618731922002151
1978 10.500662604117684
1979 12.628612537319803
1980 4.18105878967942
1981 -3.2596380597585366
1982 13.2844177227751
1983 8.293214435930453
1984 7.734415036258285
1985 2.6889953134525952
1986 4.219483477404634
1987 4.439120916805134
1988 0.7824083867724508
1989 4.631847906914922
1990 9.884723402114641
1991 10.926170937133572
1992 9.929242999588334
1993 9.857948077318365
1994 14.832183182284622
1995 16.228129983198606
1996 15.54692102878715
1997 16.4034985503488
1998 15.885211592090624
1999 12.498482213406412
2000 12.728348240380825
2001 13.33197398332689
2002 13.705673553250927
2003 11.448099322296056
2004 13.336726025086511
2005 12.223995589891787
2006 12.51868357894132
2007 14.129116298548055
2008 12.65642283047923
2009 11.493484574662688
2010 11.451556207292173
2011 12.143275311014664
2012 13.614717349637733
2013 16.373430197299886
2014 18.688321883614552
2015 13.975568858080496
2016 17.554891688855076
2017 17.593402140648898
2018 19.854382053468058
2019 21.938252994957008
2020 21.53469202389004
2021 23.523228083137514