Year % of GNI 1982 17.763076348556112 1983 17.96029225789956 1984 19.988898128692693 1985 20.696620083367087 1986 20.52601890825284 1987 22.005177248532547 1994 11.484826812550189 1995 9.491326459485254 1996 11.351246862720613 1997 10.771969989768516 1998 10.433440570013504 1999 12.379363318744227 2000 13.991779903507341 2001 14.607573272336266 2002 15.57078449715026 2003 17.505540158071994 2004 19.97793034794892 2005 20.034813708339755 2006 21.605977438403087 2007 22.32735394966578 2008 22.469481307231092 2009 19.315019700771614 2010 20.677019010618753 2011 20.175371281470532 2012 19.121566779000467 2013 17.795580766645397 2014 17.455733806284293 2015 16.386542448551204 2016 15.39607089386427 2017 16.032846061141917 2018 16.00550469785928 2019 14.832727962239488 2020 14.476087663158353 2021 15.935692918343282