Year % of GNI 1990 0.884610357664561 1991 0.893922865396259 1992 0.99665417275182 1993 1.0579709959175 1994 1.14379300298543 1995 1.17066470930425 1996 1.20543685436546 1997 1.24379914818469 1998 1.35458374778451 1999 1.33834265677935 2000 1.31608660792773 2001 1.3690027862473 2002 1.42527657189733 2003 1.30991959889577 2004 1.17809339874989 2005 1.11160627596614 2006 1.02101794479785 2007 1.01722808247332 2008 0.965470314423528 2009 1.0657298589171 2010 0.968020508539822 2011 0.931222764948246 2012 0.944962644665115 2013 0.98774863036521 2014 1.06453263983795 2015 1.2675694152853 2016 1.32486989068137 2017 1.3054113337241 2018 1.3400498266271 2019 1.37589022227728 2020 1.40957149716294 2021 1.281305454788