Year	% of GNI
1995	34.8601588806212
1996	32.1218090708818
1997	30.4055806368894
1998	28.9878869517933
1999	28.6727271238848
2000	29.0252471255148
2001	27.1593783543598
2002	26.0458810026018
2003	26.0579140203098
2004	23.6196283136443
2005	21.6797884628334
2006	20.2282480856008
2007	18.782672901198
2008	18.5181987919231
2009	19.5324443831944
2010	18.5548701295117
2011	18.3921295534988
2012	17.9121536420083
2013	17.9489693135479
2014	17.7130319167783
2015	17.4741065836844
2016	17.6644919796084
2017	17.4736992922854
2018	17.1315460679726
2019	17.2482396918809
2020	17.7744585716671
2021	17.6887788979055