Year	% of GNI
1990	6.3913876364196724
1991	8.485877559614691
1992	9.220115490073484
1993	10.394945452159151
1994	11.70205073936298
1995	10.651153865886304
1996	11.095125842027805
1997	11.223456035985178
1998	10.756349231902004
1999	9.687489326679815
2000	9.157255514087984
2001	9.329850401336753
2002	10.54442694493624
2003	11.723496432895114
2004	13.013037193374096
2005	13.180017016606644
2006	14.755070173102288
2007	15.916467756990995
2008	15.459931135392376
2009	15.800596179208476
2010	15.894211456761187
2011	14.20218426597003
2012	14.558739027774282
2013	13.680628962125136
2014	14.02844015265369
2015	13.80098788666454
2016	13.412997573825074
2017	13.988540956617541
2018	13.246755398373413
2019	12.609315113210632
2020	12.37210222727221
2021	13.194585084296023