Year	% of GNI
1993	12.1662723451778
1994	16.1431218248294
1995	20.2041657715225
1996	21.7337584851684
1997	22.8988070283376
1998	22.7573964335922
1999	20.0070688571885
2000	20.4385746018944
2001	20.9919310453961
2002	19.6616536441406
2003	16.7216330405666
2004	17.7829707999389
2005	17.6828829605949
2006	19.273379278969
2007	18.1398446107902
2008	18.9445612844225
2009	20.6791552818675
2010	21.7763686189435
2011	22.0013131563224
2012	21.9961586009997
2013	25.2168369934376
2014	25.7001219789973
2015	26.6053236774069
2016	26.45127474893
2017	25.7546944201142
2018	27.8300560597024
2019	28.2312397719511
2020	26.8952591483521
2021	27.3670827423218