Year	% of GDP
1960	39.0214859468029
1961	40.821417466783316
1962	42.460779422837696
1963	45.48231857430092
1964	47.27670001613897
1965	49.17908193545221
1966	48.345161475022195
1967	49.01014205113315
1968	49.281182695631365
1969	49.727739111623535
1970	49.63873202627776
1971	50.74318581791647
1972	53.89059580489559
1973	56.485376490133135
1974	57.3585513734733
1975	54.12664460408428
1976	53.75998445616874
1977	55.66118397983308
1978	56.633635241382564
1979	56.619202818980305
1980	55.07311604948296
1981	52.260541726781796
1982	51.333920890343265
1983	51.63173857840781
1984	53.51919562375096
1985	55.05083108261183
1986	56.72201537634801
1987	56.858347158673716
1988	57.335692697975226
1989	56.12144115655543
1990	52.71980686698158
1991	49.086483897950174
1992	45.64234278434195
1993	44.36577712606978
1994	44.473844404106025
1995	45.83545873038499
1996	46.26965875159573
1997	46.58060947925469
1998	47.25185336965317
1999	47.305571949083664
2000	48.9748854545412
2001	50.15256238972686
2002	50.31226528884645
2003	51.463065784452255
2004	53.33389181376103
2005	55.25829858878579
2006	57.15217225618028
2007	59.37751587027385
2008	59.54706692247592
2009	53.900140602122846
2010	52.27171677318143
2011	50.62594978392866
2012	49.89849785571076
2013	49.08047507582039
2014	49.56806294366661
2015	50.83801577497744
2016	52.01192198202263
2017	52.05487234140735
2018	51.78331804274738
2019	52.25065857591898
2020	53.843701689165435
2021	50.40022939116932
2022	51.6586084230718
2023	49.82790875947185