Year	% of GDP
1960	31.956189882380603
1961	31.985545862931172
1962	29.563918888715186
1963	29.8973590643596
1964	31.32777692723317
1965	31.638114923465114
1966	29.594501585173916
1967	31.731100587298496
1968	31.780135096912517
1969	32.31432575308876
1970	25.242532161481915
1971	32.43633537054538
1972	29.976847685406604
1973	33.680195419035435
1974	44.4257664085306
1975	43.66871216886587
1976	45.85825734742078
1977	53.91630873917936
1978	51.02666409397107
1979	49.239865669965994
1980	55.80779857079292
1981	28.023010796718474
1982	25.009450757678273
1983	27.934286633709046
1984	30.70611583104215
1985	30.031294889660533
1986	27.878831853889615
1987	29.715541316279097
1988	29.7292509497917
1989	36.551912004333175
1990	36.88668098162784
1991	34.95713458355813
1992	37.32201311010057
1993	33.39177457253208
1994	30.419902224833294
1995	25.161578616033065
1996	21.736787028867717
1997	21.30504234935012
1998	17.645980141929673
1999	40.91035762876328
2000	44.9479123151156
2001	43.943246763009775
2002	36.36975409962257
2003	39.30968818196231
2004	43.56373332281656
2005	46.03447881691052
2006	42.80956960070577
2007	43.649387175859616
2008	46.99298464017274
2009	39.738270641610846
2010	42.85134171837989
2011	49.65735149598192
2012	46.25578247863955
2013	39.90970041424528
2014	39.13645192901873
2015	32.47447536159972
2016	31.150807846366764
2017	32.416616581873534
2018	34.73439424666997
2019	33.3662797250104
2020	28.5678634701385
2021	33.36386758716818
2022	37.92811803784395
2023	39.36586105930407