Year % of GNI 1990 0.668740997267544 1991 0.605225835282348 1992 0.708185118222163 1993 0.638409079560965 1994 0.641884066859 1995 0.448260174540968 1996 0.542692373048321 1997 0.457175721589429 1998 0.671531120737029 1999 0.550444564197271 2000 0.994212421504308 2001 0.803067407170104 2002 0.82370079254117 2003 0.850523632295105 2004 0.825528639880261 2005 0.649292843566833 2006 0.783054324400806 2007 0.568673730212131 2008 0.516760365457567 2009 0.538883771536512 2010 0.614004563125358 2011 0.76076985247389 2012 0.680938078112109 2013 0.687009843137931 2014 0.79085365387957 2015 0.760280047246979 2016 1.019161216876 2017 0.969028670718624 2018 0.887028434495422 2019 0.911786321259289 2020 0.934290347133498 2021 1.03550996682824