Year	% of GNI
1990	4.156123896235273
1991	4.055106107428041
1992	3.850406944907427
1993	3.689677745482526
1994	3.4554441795500215
1995	3.257534149923702
1996	3.0655882092948645
1997	2.9797185750588873
1998	2.8079017414737137
1999	2.589904694727061
2000	2.552102892533831
2001	2.3993266237475566
2002	2.2707129801187356
2003	2.096679308356421
2004	1.9336286239443643
2005	1.8116683944213383
2006	1.7127955037160403
2007	1.6361591704964382
2008	1.6536603727248345
2009	1.5889871459699116
2010	1.5271640511585762
2011	1.521824087284452
2012	1.5168039652485124
2013	1.4727190829084762
2014	1.390761782497461
2015	1.349484288742378
2016	1.2836378471616996
2017	1.226430176106979
2018	1.1992548183748928
2019	1.1883929790031864
2020	1.2794208371611704
2021	1.1976931316784678