Year % of GNI 1990 5.47399185865408 1991 6.77613439557173 1992 9.06121783066157 1993 13.8607259742136 1994 11.4399387656358 1995 5.28125511492219 1996 1.32374134789324 1997 5.82540028458493 1998 0.486428363863296 1999 2.26825575956424 2000 1.9838890387455 2001 1.00587586264131 2002 -2.71950391144566 2003 0.435297404392521 2004 -3.50762132953888 2005 -11.6346780920261 2006 -15.4366622997982 2007 -19.8723840628051 2008 -12.3578063491687 2009 -21.5758570930829 2010 -9.66354183763508 2011 -13.6734017117205 2012 -12.3907534440503 2013 -26.1816271856348 2014 -23.4185212892136 2015 -26.5006190456562 2016 -22.1975336745191 2017 -8.96356347339464 2018 -10.0676971134234 2019 -8.63484292859741 2020 -14.3478765112439 2021 -16.2842586171278