Year	% of GNI
1970	10.356555096312064
1971	11.216497521524415
1972	11.619249160929417
1973	11.29351960087769
1974	11.446657506872493
1975	12.254105853093812
1976	14.143487798847442
1977	16.701461650299766
1978	17.58448027133575
1979	17.17864494953295
1980	17.448468481960866
1981	19.30355586242704
1982	22.800641500895313
1983	23.99433645748104
1984	24.33551857777721
1985	26.788630337403387
1986	28.83304903256431
1987	31.63466623192412
1988	29.41525335523641
1989	30.73883697860642
1990	31.17477348974961
1991	32.21309436183732
1992	34.30763186084622
1993	33.880027923058655
1994	36.37641815639778
1995	35.99440706537447
1996	33.98902904093603
1997	33.02485036683928
1998	37.285292419213164
1999	39.264647692012474
2000	34.730039060169545
2001	34.64793309905885
2002	34.67677832240152
2003	33.73139184815548
2004	30.41580717197269
2005	25.83253081637235
2006	23.694355139097503
2007	22.729606450828506
2008	20.34342523099351
2009	22.233250600053946
2010	21.837007087465793
2011	21.740376940233524
2012	22.686135326435302
2013	24.439338401069833
2014	25.13710946647432
2015	24.757290790253766
2016	25.606422663461775
2017	25.858648949915906
2018	25.924992009404274
2019	26.47999652986637
2020	28.74628598302877
2021	26.176194219835153
2022	23.889977522004035