Year % of GNI 1993 39.67519825998623 1994 31.41542450646819 1995 27.363472396915643 1996 39.61067122705755 1997 31.967743606860378 1998 40.137883168941904 1999 37.89552483895984 2000 39.96769184021902 2001 40.68019225755472 2002 42.42603574260268 2003 38.66496589348859 2004 50.094996706905825 2005 48.483950363844095 2006 48.24561738840751 2007 52.522285547165616 2008 44.30602074186217 2009 56.207450655026214 2010 55.61859432816251 2011 59.485430601337065 2012 67.854933639971 2013 63.787265607726304 2014 64.87079265957422 2015 69.420691537177 2016 73.31204868622237 2017 78.68081780601798 2018 71.33132281642281 2019 74.84812986291233 2020 86.79663553280774 2021 79.53054327047404 2022 89.2565771419059