Year	% of GNI
1995	17.6033626830957
1996	18.5080663306507
1997	18.4216883126784
1998	18.7104492324033
1999	18.2307646198146
2000	19.7251501454516
2001	19.3285232389179
2002	18.8971994958876
2003	18.7718600244287
2004	19.0354967337881
2005	19.1132932164111
2006	18.825686636219
2007	18.3499136611723
2008	18.3818046093364
2009	19.7427025343324
2010	20.1754349424477
2011	20.2939966322389
2012	21.4086467506124
2013	21.4240813290579
2014	20.8967760133937
2015	21.222818341621
2016	20.5315676971444
2017	19.666650168427
2018	19.0382985488377
2019	18.6039145961313
2020	19.6319527298412
2021	18.489617994379