Year % of GNI 1979 12.480028765987713 1980 11.778030877851354 1981 11.116070896855684 1982 11.440480747195721 1983 11.624254246839735 1984 12.293358792998431 1985 12.61039760809623 1986 9.957421196076309 1987 11.197748889942474 1988 11.55108574708072 1989 13.908976028253957 1990 5.16645716891275 1991 5.614168174128761 1992 7.235445835064688 1993 9.011066289596346 1994 10.944416140768679 1995 10.158819957609953 1996 11.572146357311787 1997 11.246683163495064 1998 10.655971631774275 1999 11.354616228948364 2000 12.477531506500522 2001 12.07030182312286 2002 13.119973450992443 2003 14.2809232490222 2004 16.4241695898325 2005 17.270427393020185 2006 19.071360476790744 2007 19.786258834970464 2008 20.181936552990344 2009 17.215359222107743 2010 18.589402995117602 2011 18.08473125521977 2012 17.131215603193088 2013 15.577491662551335 2014 15.278547979701504 2015 14.952650878570296 2016 14.386429735623757 2017 15.106037928315004 2018 15.106713482542425 2019 14.237671189897831 2020 13.722130304097082 2021 15.383409487318346