Year	% of GNI
1998	30.11440113535814
1999	30.789948769138945
2000	31.723198446401224
2001	30.91303290511089
2002	30.87374037738519
2003	32.33656620132745
2004	31.6337450231214
2005	32.767691294926166
2006	34.17041920461217
2007	33.349816867890056
2008	34.02042879939549
2009	30.807008033557466
2010	30.251592000074513
2011	28.911578984598787
2012	26.416441082323967
2013	25.07404068014138
2014	24.70475686883805
2015	24.406970375056964
2016	24.837434446955086
2017	25.540520911461872
2018	24.563182054672207
2019	22.885581532917524
2020	24.539642797116013
2021	26.75745434651019
2022	23.83831015880247
2023	22.878889874243946