Year	% of GNI
1990	15.2059824570287
1991	14.2673340943674
1992	11.5175026391395
1993	7.52981411160934
1994	13.0805989488082
1995	15.4668980896408
1996	20.2237770504771
1997	22.389408301056
1998	18.8798746893057
1999	20.378508267246
2000	24.1886471045999
2001	20.2778158045182
2002	18.7724305379919
2003	17.5962893628837
2004	22.9940993329502
2005	26.3826054360258
2006	27.2252443585534
2007	26.3302451029716
2008	31.1866987503318
2009	20.0334952540278
2010	29.9736418143327
2011	27.7599807517657
2012	23.4259175077309
2013	16.7586386291357
2014	7.22278870789034