Year % of GNI 1990 0.298139908127007 1991 0.804145580975433 1992 0.80579175753971 1993 0.522061387399917 1994 0.7983296158196 1995 0.693506832480184 1996 0.720614857912989 1997 0.786944505283852 1998 0.797476308858644 1999 0.764725485017704 2000 0.969809181260613 2001 0.976298379821989 2002 0.880516958888817 2003 0.708885843939754 2004 0.613151327571162 2005 0.614042497142047 2006 0.6042442018177 2007 0.673862676900549 2008 0.628159798306069 2009 0.69791182688767 2010 0.735350980141906 2011 0.669795884167266 2012 0.719502672204842 2013 0.737129485259454 2014 0.769554923016647 2015 0.925864605885625 2016 0.980511763797193 2017 0.968232405591609 2018 0.957652020172322 2019 0.990385190764388 2020 0.998751889884061 2021 0.993343951572024