Year % of GNI 1976 30.530738936089655 1977 46.440896694090725 1978 49.32614609522993 1979 28.12444292227215 1980 34.290954329599984 1981 23.975906115051504 1982 12.9361769248014 1983 18.98786603047951 1984 32.007295281730265 1985 34.57558853540779 1986 33.86425323082323 1987 37.273092943398446 1988 37.60230914564348 1989 31.16819862021542 1990 24.402967002575128 1991 22.35229819987343 1992 21.420884032917296 1993 21.81248970039204 1994 26.490755342324388 1995 23.116967975685736 1996 30.92155509063575 1997 22.14217857864134 1998 19.350789991934906 1999 25.679557875777736 2000 21.32104782094693 2001 20.010599064961454 2002 22.618344979954827 2003 20.74046208560116 2004 28.403061777773004 2005 30.668007695808488 2006 23.716064113266757 2007 20.075887744570675 2008 7.0438458210105654 2009 11.958482310364776 2010 17.528131207871617 2011 15.371394880925006 2012 23.652028622001247 2013 28.07640663828729 2014 8.480408944472863 2015 12.611736928094688 2016 7.942809484842365 2017 7.758954117541147 2018 5.669238533996375 2019 9.428795258951071 2020 -3.7098449149862622 2021 -11.579776602321735 2022 2.129362409461742 2023 3.1853370457237644