Year % of GNI 1989 3.156873042365377 1990 2.4037387165425033 1991 1.4965681864712497 1992 2.226428025324663 1993 2.06061149121888 1994 1.6924215903192208 1995 1.482620602147263 1996 1.2333448863481213 1997 2.9289065553778935 1998 3.667833864189822 1999 4.791763672432878 2000 4.017048884305403 2001 3.5514008290902837 2002 3.2469635696059047 2003 1.9102173312788007 2004 1.5741172347728614 2005 1.415385468083595 2006 1.242380011154365 2007 1.3804378412801048 2008 1.286973398930849 2009 1.3741160600574005 2010 1.1280813720510827 2011 1.1259706944822307 2012 1.1861315977408742 2013 1.3104577879619999 2014 1.6094405787288946 2015 1.2472761890379702 2016 1.5070527093548647 2017 1.3948070363913896 2018 1.404943187810559 2019 1.3995931936999673 2020 1.5406235504456263 2021 1.2964590524476551 2022 1.1273425023345098