Year % of GNI 1980 5.37280470040924 1981 5.83393355158369 1982 5.94501709873448 1983 6.88552028403783 1984 5.28642502115723 1985 5.48700732277506 1986 6.66205253490429 1987 8.4468176366886 1988 8.1598309948373 1989 7.12832223133853 1990 5.57707061891264 1991 6.10671669351121 1992 6.8590636205715 1993 6.81246135358849 1994 6.22768805818303 1995 7.40055088059787 1996 7.31967680119431 1997 6.55369706133796 1998 6.90718268366098 1999 8.42659048119166 2000 7.34016830434185 2001 6.8932557751933 2002 6.59166202976468 2003 7.38296070980783 2004 7.4347931445614 2005 7.69897750730785 2006 7.77156851191232 2007 8.15910873950307 2008 8.49298524661592 2009 8.50309205128291 2010 8.53501179662134 2011 8.41433869572442 2012 8.36585766636303 2013 8.37161187775367 2014 8.40922749957963 2015 8.81559056879537 2016 8.6979652098682 2017 8.73967744461819 2018 8.74184913229377 2019 1.28012478846263 2020 1.22357406401226 2021 1.63635576778847