Year	% of GNI
1990	13.981508072556
1991	13.8511416929043
1992	14.4079818027855
1993	13.56516276513
1994	13.3230234907708
1995	14.5939514533288
1996	14.7627167380227
1997	15.1392742260342
1998	14.808100961622
1999	15.0384541547771
2000	13.7820623099003
2001	13.5944015118995
2002	13.5618737739434
2003	13.5611852123518
2004	13.876328493987
2005	13.5491270319059
2006	13.6728037979958
2007	13.8633137914991
2008	14.0061916349791
2009	13.8361534398793
2010	14.5042872291795
2011	14.4864205618448
2012	14.7851187378325
2013	15.2246566907305
2014	14.8526958964945
2015	15.2102256966625
2016	15.2339479606859
2017	15.3575266912499
2018	15.5405981528577
2019	15.6926161045619
2020	16.6995204156031
2021	16.867037306689
