Year % of GNI 1994 1.9203547123274414 1995 2.007980845254502 1996 2.6457336646260026 1997 3.946542320976705 1998 2.930341690677236 1999 2.9951706100136963 2000 2.7073929602565383 2001 3.392531854897602 2002 4.118626044628355 2003 2.2946411070191486 2004 1.6248075329584992 2005 1.7400348230224068 2006 2.5665737474565073 2007 1.4137535045748824 2008 2.2621387098343737 2009 1.7269979280270582 2010 1.6274499379507832 2011 1.4998461249499417 2012 2.515063784459484 2013 3.450090738317363 2014 2.719325513374237 2015 7.996419431868312 2016 4.571141860709324 2017 4.006288644255145 2018 7.366554551048194 2019 5.644494645957235 2020 8.361977948576918 2021 6.475572025272296 2022 6.859182574407606