Year	% of GDP
1960	17.815578297169015
1961	20.511077240843967
1962	23.574085360133832
1963	24.34140496721744
1964	25.782043297945563
1965	24.427106963872745
1966	24.829538998031193
1967	25.89039014481739
1968	24.88199220139751
1969	22.137945376373466
1970	30.122571813738535
1971	28.931082023535144
1972	27.768540218733236
1973	32.28929884002079
1974	39.69788969163754
1975	35.85134051399033
1976	33.52242658548331
1977	33.19554615705951
1978	33.16871949169571
1979	35.812332279063575
1980	38.08068061545292
1981	34.89682287718089
1982	31.372308351222877
1983	34.07383326634139
1984	32.762214336264286
1985	28.791682080493807
1986	29.619968221095398
1987	34.03941060291733
1988	36.505730725612956
1989	39.03633658564477
1990	41.81690056105523
1991	41.83326773853114
1992	41.78587739751243
1993	48.063617371723815
1994	49.132484677422745
1995	54.159564721216356
1996	57.61764786786458
1997	67.48112309896752
1998	81.76671264124387
1999	80.73781165566183
2000	89.76358320801182
2001	84.9847325133733
2002	90.50219669087443
2003	90.54207403486521
2004	90.29599406763342
2005	84.47404501979416
2006	79.50307359768134
2007	69.53565574193439
2008	60.288079989021085
2009	47.912554035214875
2010	52.77467204293029
2011	47.990593950303094
2012	45.028541695231915
2013	43.12637553196739
2014	43.970833899839526
2015	43.589100892946256
2016	44.64405045871474
2017	51.9406409224261
2018	52.64848387658114
2019	48.628349223622685
2020	42.74485428566249
2021	50.492611606901896
2022	55.59419480535111
2023	47.10024212581029