Year	% of GDP
1970	41.56687222810717
1971	39.39502508337167
1972	38.041157293139186
1973	38.633550841094774
1974	41.580797973504524
1975	34.44403200786387
1976	36.53763575560997
1977	41.099311370220946
1978	39.377439160306906
1979	43.22769646007296
1980	48.563127074062685
1981	47.73042355042333
1982	43.82573559747786
1983	44.11231228996348
1984	44.4925305695778
1985	45.22400128527026
1986	43.13241824985402
1987	39.90753792625091
1988	41.11749636288735
1989	43.61204652133558
1990	41.15062039604862
1991	38.40727787811087
1992	38.15042561177101
1993	36.857016229154524
1994	36.09076584056442
1995	36.23246461102699
1996	37.72469708445848
1997	41.97549764803627
1998	42.22093352441262
1999	43.03599930870246
2000	46.49913333552389
2001	45.83714140697588
2002	43.22220969933162
2003	42.61477767486534
2004	44.21710916023567
2005	48.406998110380755
2006	49.63596956038294
2007	51.77904321829329
2008	53.64868145479793
2009	51.76631556050712
2010	55.227495261235084
2011	59.10634951013777
2012	58.67648741083814
2013	61.62549479392187
2014	54.87615325354586
2015	53.3095264649732
2016	56.748198587804744
2017	57.273317313304084
2018	56.95031822260802
2019	57.16221850062505
2020	57.69042083963603
2021	58.96860664610855
2022	63.23393339399574
2023	62.89004978583457