Year	% of GDP
1969	38.862900713748786
1970	41.754931903119676
1971	30.99379660864996
1972	32.80692505100078
1973	39.00981576018015
1974	29.175547743549476
1975	29.3066729216303
1976	29.33757549092891
1977	28.66155723540288
1978	28.35984839361565
1979	28.083762027920763
1980	27.411969894989358
1981	29.69021945983144
1982	31.268790079550133
1983	32.133317026287756
1984	30.13141196745532
1985	30.162191926379197
1986	30.85961711962233
1987	31.776762280299533
1988	33.76099520122686
1989	33.94814776676088
1990	35.02635640346455
1991	36.39455615993719
1992	37.51890494037783
1993	38.93134206402111
1994	39.286431635206824
1995	41.71601649617027
1996	43.95776807338065
1997	41.12447890275681
1998	42.28394088809252
1999	42.79032177558913
2000	44.341955495830454
2001	47.80098546296776
2002	47.436387468917005
2003	47.20648335823816
2004	48.74284166903232
2005	50.92382551389462
2006	50.62243154023387
2007	52.711011556576906
2008	54.832119029531015
2009	57.6349282964339
2010	52.40476285144121
2011	52.45994444921756
2012	56.17179882617133
2013	56.25498896544069
2014	54.415101200832325
2015	53.094416490771955
2016	52.562690245922994
2017	49.699986801500955
2018	47.84322430686648
2019	46.18007673765029
2020	54.84359334580645
2021	46.673752665249815
2022	37.12169122006861
2023	34.48729388359854
