Year % of GNI 1990 5.84167824329362 1991 5.8551030987333 1992 6.97375197450532 1993 9.39989478539521 1994 8.61343078443286 1995 7.60502733609267 1996 8.9165192109832 1997 7.68252969462637 1998 7.9345726143462 1999 4.38368740258517 2000 4.48235263703605 2001 4.6615185282777 2002 5.53943378595292 2003 8.52426184185613 2004 1.26437318720208 2005 1.4606771130739 2006 9.9631772378785 2007 12.1317199202805 2008 11.0469230408551 2009 8.45315968810014 2010 7.61433480801507 2011 7.4998720181319 2012 5.86628944339891 2013 4.76522828379211 2014 4.99136213838656 2015 5.51200267673124 2016 5.52448722986244 2017 5.51829240856399 2018 2.08995444823246 2019 3.46314779739905 2020 7.79059616219267 2021 11.6126668929053