Year	% of GNI
1993	29.443914376141
1994	29.9221563310134
1995	31.5219435405865
1996	30.8141818711433
1997	28.3485396648893
1998	30.3746374535692
1999	28.9306162871348
2000	29.3103023545332
2001	29.5298670500282
2002	27.8037837242389
2003	26.2444369496514
2004	27.2040148547428
2005	28.0790944884197
2006	28.1161928263103
2007	29.7450681810083
2008	28.8659990742592
2009	25.0097510969678
2010	24.4900662593258
2011	24.4324212552081
2012	25.6743867943402
2013	25.7460423325011
2014	27.1759521997698
2015	29.0888154310916
2016	28.2555721500745
2017	28.9127617344525
2018	28.5128044517626
2019	28.687140920614
2020	28.8637107580736
2021	29.4891666129401
