Year	% of GNI
1990	12.4963609035117
1991	7.87636302225175
1992	15.1768084751688
1993	16.8190784846764
1994	19.3609584755947
1995	19.0610613710169
1996	21.6721977983479
1997	21.9662670381976
1998	17.6125273264484
1999	15.0859400768621
2000	18.3690417757651
2001	15.435003458064
2002	13.4117599893257
2003	13.2480400060224
2004	10.5840902235485
2005	13.1980539476757
2006	15.4682785962432
2007	22.7574542129224
2008	25.4869620195213
2009	24.9021909970694
2010	20.1391024501942
2011	24.9696266622516
2012	27.867271628238
2013	28.7359978903754
2014	26.1126031434236
2015	29.4613927511012
2016	27.232295219141
2017	28.6889143340341
2018	25.5336148262715
2019	23.3069002974605
2020	18.5368035323503
2021	19.4947102220685