Year	% of GNI
1995	15.7832676254041
1996	15.2055906677082
1997	16.7586898583345
1998	16.6687929337835
1999	16.1939420998303
2000	18.6725559576971
2001	15.4408949216056
2002	13.8044679138872
2003	16.81936458551
2004	17.3073003767951
2005	18.9735326104231
2006	21.2435983066084
2007	18.0195464202774
2008	11.5332847558659
2009	15.2513948252328
2010	19.8353054297167
2011	16.9282421903521
2012	18.3533480773361
2013	17.2213269093768
2014	15.3150162352189
2015	16.8212477487231
2016	15.8224113951389
2017	14.0524335569054
2018	13.5929218388917
2019	13.3296427643313
2020	11.8899083098521
2021	16.1899176583468