Year % of GNI 1990 0.583574948270859 1991 0.572595090345614 1992 0.726469969400933 1993 0.690261808629379 1994 0.725541901917107 1995 0.691870426969128 1996 0.971177021231419 1997 0.925609331453147 1998 0.948164935821402 1999 1.09695263019534 2000 1.26671305501909 2001 1.36128931758809 2002 1.40950064788615 2003 1.3937121794642 2004 1.38795819617324 2005 1.3492548384661 2006 1.09030556908849 2007 1.0938035611165 2008 0.865008416762114 2009 0.816287088263088 2010 0.643784824661237 2011 0.685457451872569 2012 0.756182176081561 2013 0.622030880364301 2014 0.734145381239845 2015 0.851763484174252 2016 0.917701957485899 2017 0.949432872166734 2018 0.922720823272327 2019 1.12047629010886 2020 1.1852866197503 2021 1.27047531157475