Year	% of GDP
1960	2.31573157315732
1961	2.70243362831858
1962	2.56591337099812
1963	3.1956155143339
1964	2.83586869495596
1965	2.42933130699088
1966	2.67757009345794
1967	2.61764705882353
1968	3.00457217504899
1969	2.39021678710395
1970	2.31600617601647
1971	2.62862488306829
1972	2.8439153439153397
1973	3.06179775280899
1974	3.1458333333333304
1975	4.60291288815609
1976	6.2204340404779295
1977	6.619774919614151
1978	5.83680870353581
1979	5.63346228239845
1980	5.9400728843298705
1981	6.38459397221449
1982	6.22086827346416
1983	4.50565855036211
1984	4.01819087964117
1985	5.39043522658704
1986	4.30445955767833
1987	4.3693147945152795
1988	4.12851581775317
1989	4.39291741336162
1990	4.14882504070243
1991	4.14284293740367
1992	4.29804827877283
1993	4.65557168740476
1994	4.49381938880623
1995	4.34741049396921
1996	3.94909292657436
1997	4.19265940634305
1998	3.4563343607373
1999	2.9004570340699196
2000	2.21096220697173
2001	3.72613588276971
2002	3.49178799247956
2003	3.49420754151271
2004	3.24946757487646
2005	3.25799678207968
2006	3.10979654916899
2007	3.04695366406602
2008	3.18350142755722
2009	3.28865184646812
2010	3.39079610106242
2011	3.2974952352035203
2012	3.46275007931538
2013	3.8057829012064497
2014	3.67785635244484
2015	3.23015334784149
2016	3.2205750131510302
2017	3.18379579415735
2018	3.13013605325572
2019	3.08214912136127
2020	4.20965727140643
2021	3.94279963364595
2022	3.9049262229450097