Year % of GNI 1983 11.4945980884427 1984 20.2042576260632 1985 10.6218629143561 1986 8.37054563502543 1987 15.0898614585292 1988 9.22983697132208 1989 13.8011943609988 1990 19.9284246346636 1991 16.27734190321 1992 9.49182288833461 1993 10.515956679471 1994 8.90347798249175 1995 7.54268467881832 1996 -2.0098086254751 1997 9.05821667273422 1998 -7.28006614227011 1999 -7.0778582038016 2000 -1.40978164313019 2001 1.18091813046639 2002 5.69181642439989 2003 5.60480782134077 2004 8.98989261950853 2005 11.368210999301 2006 17.7710630163753 2007 16.0035223724666 2008 25.2359699821305 2009 15.6870534765622 2010 9.89178194271471 2011 11.1009874353862 2012 8.13144831046861 2013 13.4931960329164 2014 18.2172344354369 2015 21.1425363013402 2016 22.5962932557517 2017 20.1226163016505 2018 32.3508558240097 2019 42.1770234576474 2020 39.7213578588687 2021 36.6871517958964