Year	% of GDP
1960	106.18680430131427
1961	113.74832792829959
1962	40.61251935711223
1963	61.51019719734101
1964	54.52382125661587
1965	48.437021906411694
1966	50.63976952188435
1967	45.066186093677
1968	47.3228889614156
1969	51.85953490429214
1970	51.22540180612691
1971	46.10629668257649
1972	46.17643028474848
1973	57.09342653113719
1974	74.2388192371426
1975	76.65453540568483
1976	70.17325688215973
1977	72.32688423069979
1978	65.70456888954516
1979	64.01404928535082
1980	64.67692316050177
1981	65.46499363533181
1982	59.9229312690034
1983	53.74411735611141
1984	53.176383688913354
1985	50.32612063079114
1986	36.026710569925974
1987	32.68458446861279
1988	38.11158727774199
1989	47.15331970658024
1990	48.380713681558376
1991	52.71758670773069
1992	49.18908423604113
1993	44.9228133698634
1994	48.584437787780864
1995	55.19100520814354
1996	53.70514787677936
1997	52.24391150593862
1998	45.0944505585079
1999	50.9291093379713
2000	62.8583436360347
2001	54.529649117720844
2002	56.58960528141142
2003	57.76913530448776
2004	61.35799757071756
2005	66.84046022039064
2006	65.91529196776213
2007	67.54547339397634
2008	71.02849225052607
2009	64.28475472389927
2010	63.4912159928425
2011	62.220089961047854
2012	60.7576393340605
2013	59.15100815724396
2014	56.92354196698671
2015	53.204622590414495
2016	49.76093279252163
2017	49.82081617125868
2018	52.43616767792233
2019	46.50684260816725
2020	40.389756562538814
2021	47.27090300764053
2022	51.84120679310374
2023	46.1958938741572