Year % of GNI 1990 1.8977598787474277 1991 1.7022140846191975 1992 1.5677710078810294 1993 1.3985641464814287 1994 1.3525929374694656 1995 1.30124782545419 1996 1.2065401970126632 1997 1.1375853708426449 1998 1.0809521933849675 1999 1.03354281132913 2000 0.9895904904208697 2001 0.9462932330135311 2002 0.9371213481024342 2003 0.8961235532744477 2004 0.8324455979785 2005 0.774903708856917 2006 0.7319068751838366 2007 0.7187051385121919 2008 0.6883536048886743 2009 0.7289031751901313 2010 0.7019887469892543 2011 0.6826052647154819 2012 0.6733120626276896 2013 0.6612236594035026 2014 0.6522016549519025 2015 0.6634959140128549 2016 0.656691971303989 2017 0.6385948864824107 2018 0.6332470943130751 2019 0.6329540569791332 2020 0.6846083083638281 2021 0.6816656022746163