Year	% of GNI
1990	14.5127855423843
1991	13.0294860973453
1992	12.5259628867196
1993	11.3158529944678
1994	13.3199390562088
1995	12.8927611264436
1996	13.9573723389999
1997	15.2705742995641
1998	18.8098294174552
1999	24.8216189300055
2000	23.1622984664833
2001	23.6051068034137
2002	24.1602489478802
2003	24.189693235363
2004	22.0314989501059
2005	23.0320120996382
2006	22.6974163102064
2007	21.2369523784064
2008	21.9899811549131
2009	23.6645105182141
2010	24.7573382198441
2011	22.3072943641755
2012	22.0834543358531
2013	23.2279983710367
2014	23.8648704230468
2015	23.2118992131236
2016	22.9741362799062
2017	23.3069065622023
2018	21.6589314859067
2019	19.3197761250478
2020	12.9361499491434
2021	7.68476470664544