Year % of GNI 1981 1.5381737670316133 1982 1.648721788857256 1983 1.7584000778025115 1984 1.8549799028084226 1985 1.8997791168615668 1986 2.480554091700324 1987 3.063300585633687 1988 3.298385004595968 1989 3.1393804588750998 1990 3.2741560539883676 1991 2.994439263639522 1992 3.046322608891868 1993 3.129909993971625 1994 2.6485704367448832 1995 2.577303027983655 1996 2.4186380280433015 1997 2.2294296252193684 1998 2.024506547748478 1999 2.289092973368439 2000 2.012828761037718 2001 1.8512736297886003 2002 1.7757812902434744 2003 1.6381946456547436 2004 1.2274874390259845 2005 0.9240464196844883 2006 0.8647457082727534 2007 0.6209401786718961 2008 0.5183544011829032 2009 0.44955190834515046 2010 0.5003516406940532 2011 0.38507781270302 2012 0.2967476136836869 2013 0.32701692426639584 2014 0.4441019967034301 2015 0.47110541983168325 2016 0.35707596813450565 2017 0.336351917001399 2018 0.32395135550036697 2019 0.3967975434135891 2020 0.49133510159735605 2021 0.523050259306716 2022 0.6032973164860876