Year	% of GNI
1989	22.302642335462583
1992	29.4700790578336
1993	23.109845930190392
1994	19.457499625987655
1995	19.15874827963162
1996	19.039436673337605
1997	18.614277661635985
1998	18.217353361687984
1999	18.410923120834795
2000	18.13613408408799
2001	17.947344467244907
2002	17.925310318640147
2003	18.052987323478824
2004	17.527394987587527
2005	16.800242962760922
2006	16.60565511955473
2007	16.114708628295357
2008	15.647013430179395
2009	16.524364812709972
2010	16.536868157073368
2011	16.448832805273796
2012	16.48867185855623
2013	16.55645792356376
2014	16.410020099075677
2015	16.212495213245806
2016	16.36388027265128
2017	15.877150989129904
2018	15.696744902834538
2019	15.632540806560876
2020	16.099517950329254
2021	15.797688989309975