Year	% of GDP
1960	29.31433717500752
1961	29.5992565948977
1962	29.36729467067496
1963	29.290875160653567
1964	31.18759058124131
1965	31.28121575386143
1966	32.761157037514636
1967	33.13091249074156
1968	35.324652653047046
1969	35.72696432899596
1970	35.23325157356713
1971	34.98367659980308
1972	36.33139577868041
1973	38.81930317098091
1974	42.71907227055731
1975	40.23684078917538
1976	39.00244659424012
1977	40.32870782932345
1978	43.17372364903772
1979	47.12594619090842
1980	47.41234009988291
1981	46.45648809039034
1982	41.11326917082494
1983	41.40156822907271
1984	47.11307292861689
1985	46.85869863027396
1986	46.39045601276038
1987	44.04200433195899
1988	45.11680622242357
1989	42.59853509415869
1990	42.08744723587745
1991	41.13201654951102
1992	44.36450343523989
1993	49.08233344533136
1994	55.25495709444272
1995	59.51256704676769
1996	59.75043188568957
1997	63.405075229216166
1998	66.30804416403787
1999	67.60329524157247
2000	70.01068900234436
2001	65.92165125575015
2002	63.08991259015136
2003	57.815354550975414
2004	58.11811369714103
2005	58.21166094178773
2006	56.635938029125185
2007	55.2062727140195
2008	56.373973712161444
2009	46.99470278756777
2010	48.85610661810894
2011	51.02110148840865
2012	50.96833755257142
2013	50.58465851597366
2014	52.69938053780413
2015	53.97887832347428
2016	52.548021140287815
2017	52.40611195755189
2018	53.40540250835928
2019	52.290923394224585
2020	49.02835577881455
2021	50.51352688037775
2022	54.71154748307061
2023	53.25375850163483