Year	% of GNI
1990	8.23466175812458
1991	8.16009726259739
1992	7.3218626934694
1993	15.9736998034431
1994	19.1610492299946
1995	17.18041610727
1996	15.8835431265605
1997	18.8775255634346
1998	19.7443103611542
1999	22.8323595047072
2000	16.7288500955856
2001	15.2899734505132
2002	15.3717548622224
2003	15.8989246875911
2004	17.2283133262665
2005	21.1344217428106
2006	22.00091028511
2007	20.9665466957627
2008	18.8889008041343
2009	16.1907250053097
2010	14.146703802754
2011	18.1212577984553
2012	15.6713094456429
2013	12.2917789174332
2014	14.5200675958775
2015	20.0097322071803
2016	20.3759002842046
2017	23.6754608795012
2018	20.1275241195985
2019	21.1570524949366
2020	23.4739793491652
2021	19.9727278455731