Year	% of GDP
1961	7.17776602126135
1962	8.110435949459964
1963	9.156663518992339
1964	9.924485249489992
1965	10.005383032934683
1966	10.861868226251023
1967	11.184230994937392
1968	11.220910051743164
1969	11.088504016963016
1970	11.158675226824336
1971	12.19228212659101
1972	12.210171710772814
1973	11.229198990379135
1974	9.537551508563073
1975	9.840217894974213
1976	10.878430407852461
1977	12.35994785374966
1978	13.283130974693586
1979	13.82546523219556
1980	14.13924547718411
1981	10.376008925444868
1982	11.08302917247823
1983	11.952094067228861
1984	12.344726194798415
1985	12.639838646035232
1986	14.44998928741123
1987	14.761757471104518
1988	14.552783304754664
1989	14.461868230369562
1990	13.163069190401465
1991	12.149182979039885
1992	13.10116198365965
1993	12.558232855849987
1994	12.036589946620852
1995	13.705175942812692
1996	12.901868511007866
1997	13.227291204567916
1998	13.637072507395064
1999	16.188358416756493
2000	14.423874229337995
2001	14.286998821532253
2002	14.493482821532805
2003	14.670315861627316
2004	15.087387001380804
2005	15.352572277752577
2006	15.499610617869202
2007	17.175106585113557
2008	19.036470484269632
2009	19.227827622116912
2010	18.094333983562024
2011	17.64532428574137
2012	17.672371947108083
2013	17.739179203324298
2014	19.412683854967458
2015	20.831421152483
2016	22.34250560019456
2017	23.14673026916819
2018	23.107694242502262
2019	23.38112874421763
2020	24.166472385776178
2021	24.8411027333702
2022	25.749078685178223