Year	% of GNI
1990	6.1044404361433
1991	8.012971110896867
1992	9.051627926363384
1993	10.216455721824518
1994	11.376819760195406
1995	10.33026696355607
1996	10.843978227997479
1997	11.01177663099815
1998	10.540512223133435
1999	9.525594783378384
2000	8.990916865937303
2001	9.215177424456181
2002	10.400857223366778
2003	11.53212141928243
2004	12.851025192611244
2005	12.916307224324292
2006	14.508290925339653
2007	15.678299228343864
2008	15.212274649845988
2009	15.609140767021632
2010	15.73020147454725
2011	14.035899370653084
2012	14.422127418686529
2013	13.565489943682849
2014	13.953706908019058
2015	13.72178595307146
2016	13.345548623477212
2017	13.945783723958494
2018	13.222230651084912
2019	12.590940818312252
2020	12.343647899006614
2021	13.112800645277092