Year	% of GNI
1995	15.0906130027137
1996	15.6557326156115
1997	16.2673407440256
1998	15.5408601310773
1999	14.9536883789302
2000	14.3292475311502
2001	13.6394443948482
2002	11.5062260527848
2003	11.3322600473959
2004	11.6548499208377
2005	13.4431771064278
2006	15.1711379847858
2007	14.5067821732474
2008	12.3027282448496
2009	12.2537221038791
2010	13.6778812639636
2011	14.2093750694484
2012	13.011902831491
2013	14.9547306679095
2014	16.5683494355856
2015	16.8462298425525
2016	16.6631456897225
2017	16.9154930305341
2018	16.6211429297067
2019	17.3856791564333
2020	18.7876729042037
2021	19.2032145135521