Year	% of GDP
1960	30.452012023913234
1961	26.821148877420203
1962	24.450817562983932
1963	24.333249474446013
1964	24.609117880666588
1965	21.844002116122205
1966	24.328307293443405
1967	21.55400927766733
1968	24.584457580688348
1969	25.548653873693254
1970	27.825228970836346
1971	27.983269825385214
1972	26.052928581222908
1973	27.588419147886167
1974	30.170541962380266
1975	29.828835767252187
1976	30.941251620418207
1977	30.06442476491874
1978	30.42451403923311
1979	28.66160224828548
1980	31.814986733201195
1981	27.269384846374244
1982	26.103772957812804
1983	23.69982093141205
1984	24.348750085567954
1985	26.333101283296443
1986	30.8306359086594
1987	29.865550187615987
1988	30.14280200365721
1989	31.821621848176186
1990	34.777810380308125
1991	33.52991809471532
1992	33.61159134365239
1993	36.17747144496271
1994	35.91753745013798
1995	35.497230317766615
1996	36.04410718632825
1997	35.597068088679265
1998	35.90892305351378
1999	36.14927931417942
2000	32.66708546930672
2001	33.901111794944455
2002	32.98263921442343
2003	36.51618351722998
2004	35.863426933799495
2005	37.422697494954996
2006	39.64135596062945
2007	37.09889709829042
2008	39.16764941643557
2009	35.15612850745859
2010	34.26460316876821
2011	39.470423554536744
2012	38.83515101866903
2013	37.98664879784566
2014	37.48746564111038
2015	38.36076411844537
2016	36.202652984202075
2017	35.282914942458845
2018	36.53475279689736
2019	37.558533980838966
2020	34.05557096801012
2021	40.05914639361279
2022	48.073977864880106
2023	40.484457650567606