Year	% of GNI
1990	0.7331281919878893
1991	0.733705846828318
1992	0.724412301388308
1993	0.7575636974301447
1994	0.7416639326811272
1995	0.7014811665288644
1996	0.7426586332797696
1997	0.8006187246191758
1998	0.8210932919072458
1999	0.8153089090162305
2000	0.8536312436146176
2001	0.9037905330092785
2002	0.8939751105772279
2003	0.8473825543404083
2004	0.8049720652527887
2005	0.8054505773852179
2006	0.7980577742295117
2007	0.7814801088870943
2008	0.752273721314793
2009	0.7668353744322435
2010	0.7863669502092084
2011	0.746512197224648
2012	0.7619893327989485
2013	0.7909598723676452
2014	0.7879641651040136
2015	0.8505390467034903
2016	0.8532145375666669
2017	0.8431835013197849
2018	0.8388131790474367
2019	0.8367671125332617
2020	0.8280632315256669
2021	0.8145324839432689