Year	% of GNI
1970	1.9539630231283973
1971	1.8946124464924803
1972	3.575722103787699
1973	3.481864454434828
1974	5.429511236220734
1975	11.821172765065596
1976	11.20531511636997
1977	16.88914570279055
1978	13.840453314963943
1979	20.415558229810916
1980	16.000255745459903
1981	17.48505343640537
1982	16.889866292725987
1983	19.610177495969715
1984	15.169908106056537
1985	18.241648723013988
1986	21.39286154179908
1987	28.532754055947358
1988	17.515741693528568
1989	17.140755530262446
1990	21.093488156009037
1991	25.246736965110234
1992	26.74645706583104
1993	27.838567694690536
1994	22.51962195120972
1995	19.584531272439683
1996	14.312883127071737
1997	10.8605745134182
1998	13.390889201616904
1999	10.48061930208316
2000	11.821580065472311
2001	16.391483526491353
2002	14.522531815224502
2003	10.764937454320917
2004	8.006705878781581
2005	9.779848959608868
2006	10.379226458256387
2007	6.1766718698421945
2008	6.434183247060924
2009	11.015797351693358
2010	18.84337720204813
2011	12.399081247606436
2012	15.716176943973274
2013	14.671766522581608
2014	12.256006344468041
2015	11.601442196719322
2016	10.741073673194933
2017	15.859199761571679
2018	15.082639331742206
2019	14.105047607317402
2020	19.892247113371187
2021	10.14372521427369
2022	15.569178542452816