Year	% of GDP
1960	31.877277666383286
1961	19.610587322814116
1962	16.735059655665335
1963	18.645630411159278
1964	20.603704947467026
1965	20.9912264197215
1966	22.147797155373237
1967	19.714750894194477
1968	19.190045814710814
1969	21.769372152658
1970	24.502270948322845
1971	25.010998953231667
1972	24.554232531546642
1973	23.622861813553136
1974	24.17173797904269
1975	26.76842303259082
1976	25.903567567353235
1977	25.349075102573305
1978	25.477847364435945
1979	24.465019193650157
1980	24.327078420440287
1981	24.48934054535583
1982	25.25658471343617
1983	25.47231707267536
1984	25.92722260686438
1985	26.75731765273111
1986	26.436351865678887
1987	24.894325626407678
1988	26.74123053007137
1989	27.47380987321457
1990	24.987172110013706
1991	23.20641815525818
1992	24.681153919737273
1993	25.809541845951628
1994	26.14977918648444
1995	25.70797497417275
1996	25.33250147974616
1997	24.85507997158015
1998	24.605208819392445
1999	24.242560219047036
2000	24.575145836278242
2001	25.493998958365417
2002	26.083489239474115
2003	27.320058452367192
2004	27.85330154740543
2005	27.710454852537136
2006	27.66449765302389
2007	28.47349002722534
2008	29.398709807369457
2009	32.14796639459625
2010	31.92186141664598
2011	32.031843569786574
2012	32.985133560450855
2013	33.535589509737015
2014	33.65993634819947
2015	34.15495961032461
2016	33.96090829305996
2017	33.66163277237849
2018	34.59980674073243
2019	35.2693068860586
2020	35.761516583701024
2021	35.121023179685935
2022	34.38284155891873