Year	% of GDP
1960	2.1817432127648373
1961	2.2316791644627885
1962	2.777545493569495
1963	3.9216922486005266
1964	3.7613932757308572
1965	3.9745461404690676
1966	3.8691201047146504
1967	3.423295626461391
1968	3.412893985678058
1969	3.372420570790291
1970	3.4808943088484092
1971	3.9573621014779286
1972	4.041426464990174
1973	3.0647569766831033
1974	3.055054107950302
1975	3.2680021703130366
1976	3.463031659532634
1977	3.211446391371641
1978	3.1707959260640814
1979	3.2324775358350792
1980	3.14067020731016
1981	3.221144798305015
1982	3.4697384774347304
1983	3.4755163357267396
1984	3.5568348698903165
1985	3.7039859940345403
1986	4.13683775822295
1987	4.237927340907285
1988	3.8172057807943496
1989	3.627928605243104
1990	3.2952324902097554
1991	3.213028701032584
1992	3.1066999473844494
1993	3.19436485488102
1994	2.9854813941279565
1995	2.9852679334687804
1996	2.8903231913579206
1997	2.9312613859959016
1998	2.963175064143322
1999	3.086747655593298
2000	3.0414994815586334
2001	2.9470461316402052
2002	2.8630271201590576
2003	2.7458348147488123
2004	2.8540579218628843
2005	2.8997074960060925
2006	2.7003046362000678
2007	2.53630106252202
2008	2.6451059085523805
2009	2.998106385614697
2010	2.821230901906323
2011	2.6593034329521315
2012	2.5896980636925853
2013	2.5226716336167327
2014	2.5250071311341236
2015	2.4048948929570275
2016	2.434378070204787
2017	2.4328831804804714
2018	2.357831605747552
2019	2.449057538087463
2020	2.613657014144889
2021	2.3493327125932217
2022	2.2750422766709164