Year % of GNI 1990 0.422727422513053 1991 0.473500251413288 1992 0.596070167255544 1993 0.65548781363281 1994 0.736069099639132 1995 0.752887150837515 1996 0.740356649506584 1997 0.790407059913739 1998 0.903752432199801 1999 0.908446413737719 2000 0.726531677894937 2001 0.871064632016611 2002 0.985861296123572 2003 0.995957667186969 2004 1.06005143272871 2005 1.05689041458746 2006 0.992378460435495 2007 1.00541846298391 2008 0.945229433955681 2009 3.50491120172612 2010 1.0088779687045 2011 1.14912161844764 2012 1.54021080228196 2013 0.976905135302548 2014 1.2268001388917 2015 1.13143422562432 2016 1.15394623013964 2017 1.01957382417609 2018 1.10818828071196 2019 1.1744979725766 2020 1.15890807804445 2021 1.17019301175496