Year	% of GDP
1970	25.761941815804047
1971	25.800018351004145
1972	25.98738011331329
1973	29.01460870085438
1974	33.778463293478005
1975	31.984702784789384
1976	32.76477669346884
1977	33.12899499582334
1978	33.528485821845074
1979	35.71542852168915
1980	38.54030884096747
1981	38.97947531669936
1982	36.961832364233615
1983	36.13325569596345
1984	37.44248058298894
1985	36.99364805789437
1986	34.537785508054704
1987	35.80495500238982
1988	37.630501018560025
1989	38.01167317802269
1990	38.04108825023283
1991	37.91433504781519
1992	40.794605012280535
1993	40.35777129091678
1994	41.297768787195686
1995	43.13521774857369
1996	43.26916105574199
1997	45.113952191175
1998	45.59474502459636
1999	46.0749588592336
2000	50.49709610350169
2001	49.388370168847786
2002	49.44471738910654
2003	51.14655121732859
2004	54.742992581088004
2005	56.80692775959087
2006	59.013033295391644
2007	59.42349426471915
2008	61.07896093412146
2009	52.56745159949123
2010	56.942609157817266
2011	60.11074415182948
2012	59.932761048625395
2013	59.214994432193414
2014	58.6256595809975
2015	56.271081693147096
2016	54.464393294583196
2017	56.21354872399192
2018	57.694945118329514
2019	56.47621668771765
2020	52.372986502715634
2021	56.73978336223546
2022	62.5047440793921