Year	% of GNI
1990	2.9404931395835265
1991	3.2905471688759116
1992	3.2691485901178883
1993	3.325874275279596
1994	3.127163049444617
1995	2.9929816241776144
1996	2.8806553091223646
1997	2.865517726546849
1998	3.0749186589521744
1999	3.2764484651210997
2000	3.2719445047032076
2001	3.473596738976516
2002	3.6808615470841763
2003	3.699812994720969
2004	3.535696599590391
2005	3.351010633720812
2006	3.172625898681516
2007	2.837769507336039
2008	2.5364306716986063
2009	2.7644323247615032
2010	2.5351027322463584
2011	2.391724962150108
2012	2.408921511245601
2013	2.4472834940586923
2014	2.481725777559964
2015	2.719358545964933
2016	2.8030274134261086
2017	2.708537484124321
2018	2.7698164645107806
2019	2.8673419000534226
2020	2.953728979420505
2021	2.7761374903196363