Year	% of GNI
1990	1.1711788918320112
1991	1.0622308239717309
1992	1.0369341284246698
1993	0.9660015215186755
1994	0.9276366100206449
1995	0.8821171759223212
1996	0.8330610621986596
1997	0.797611623980656
1998	0.7799373446290646
1999	0.7807641859288978
2000	0.723898012676984
2001	0.6939103420571607
2002	0.6751800600183189
2003	0.6425228972795443
2004	0.5916510135696874
2005	0.5552735289783359
2006	0.5157841607588459
2007	0.49005079230730214
2008	0.4705475896955521
2009	0.496784903815008
2010	0.48329917039255144
2011	0.4683391256453029
2012	0.4629545948896239
2013	0.45451648399815786
2014	0.4509651377307106
2015	0.4696220783804522
2016	0.46862907381395263
2017	0.4526423359653902
2018	0.4484354862101447
2019	0.4511135068913023
2020	0.480989871112778
2021	0.461978413395957