Year	% of GNI
1995	38.8864486738751
1996	35.8909849992428
1997	33.7275128440569
1998	33.0136572261821
1999	32.0313920928322
2000	28.6952708877298
2001	25.9806980428065
2002	24.9767092298345
2003	24.2186067957338
2004	23.301943646409
2005	22.1815727200043
2006	23.2297873745549
2007	22.0703454515191
2008	22.1599631724542
2009	21.9961979781474
2010	24.9980295005903
2011	25.1582052842172
2012	25.0014388565493
2013	24.5096725665723
2014	24.2008907400421
2015	23.7825026149606
2016	22.9605033072351
2017	22.2532933524958
2018	21.722599202232
2019	21.7056401159639
2020	22.2544338833354
2021	21.7215578232555