Year	% of GNI
1995	13.1764442645749
1996	15.0416822085403
1997	10.2697606899276
1998	14.5504973545811
1999	12.7616962717916
2000	6.58445306467325
2001	9.86239792196154
2002	21.7059563304918
2003	16.6868412396547
2004	15.3175386736028
2005	14.9777066658555
2006	17.2725804204896
2007	19.3484640010655
2008	16.7099516681516
2009	14.3141917235102
2010	16.9055386567405
2011	19.0077090724569
2012	14.0651190519408
2013	18.6838169219919
2014	17.5983742101068
2015	17.8981560413202
2016	20.1836036678684
2017	20.5316293840981
2018	18.3169594326949
2019	16.8118616407677
2020	17.2849712159537
2021	17.8649836518783