Year	% of GDP
1960	91.36340338288058
1961	93.80982769623485
1962	94.6221256834694
1963	92.08426826227874
1964	88.7292352982407
1965	93.76760860396458
1966	104.8116492560937
1967	100.0825666430762
1968	95.9030858014976
1969	94.15011037527594
1970	89.37125748502994
1971	86.42701525054466
1972	83.60210341805434
1973	81.53966890751325
1974	75.6406425102727
1975	79.0840419220882
1976	77.9371165148351
1977	76.46062480603028
1978	78.44632023212873
1979	72.5895695291862
1980	70.83420433616382
1981	76.5319192255724
1982	81.33470618420125
1983	71.66664857471613
1984	72.35270197622647
1985	72.42495840406752
1986	75.20876017471201
1987	71.4115636584469
1988	72.11445355821901
1989	69.34342676094164
1990	73.02420484546813
1991	73.35970687209772
1992	72.35621978224943
1993	67.53530732091318
1994	67.79695028801498
1995	69.40611963413235
1996	69.92414114253954
1997	68.52406850579533
1998	73.47495980919766
1999	80.54825377392085
2000	68.18236601612972
2001	70.03922075997284
2002	74.87969536621735
2003	76.26750617999551
2004	75.09034987056076
2005	72.47199788082037
2006	71.29622551012561
2007	71.8891592159464
2008	69.04503364837562
2009	68.29193445524723
2010	65.22309079059087
2011	64.48203372411139
2012	65.63803486064315
2013	66.34718232113649
2014	66.56414230489473
2015	67.19943166745975
2016	67.35461090443965
2017	66.39614412641069
2018	66.00112743615435
2019	66.73893586857929
2020	68.58964281151066
2021	64.87575480029766
2022	60.729455669970655
2023	61.868581641623855