Year	% of GDP
1960	32.36974545594061
1961	29.380655345284573
1962	29.06928982724718
1963	30.62480724307682
1964	33.13696101001308
1965	33.17815757513692
1966	29.59411308939836
1967	30.29059587443796
1968	23.32978692112445
1969	24.62447765294557
1970	22.339565914273496
1971	28.84166375461032
1972	32.336545974367105
1973	38.67766899712965
1974	48.173917805924184
1975	45.53043070957397
1976	45.908051603826074
1977	52.412678212550084
1978	51.94206590742128
1979	51.47147326361819
1980	57.48396689841275
1981	28.065303931542143
1982	24.783632662151614
1983	28.228342532730775
1984	32.19381353098105
1985	31.82886568533577
1986	26.36208097499149
1987	29.057245460859605
1988	30.430675609971434
1989	35.80519498987899
1990	37.41574502732273
1991	37.4882552739015
1992	40.002101896366895
1993	35.69809538130643
1994	31.9954600560619
1995	27.259126756878285
1996	25.416407424002582
1997	24.394919210221286
1998	19.711441003523937
1999	38.03342575773715
2000	34.74813856140938
2001	34.29227413252753
2002	30.476216380995357
2003	33.628377034368185
2004	36.83537696967306
2005	39.71486324313956
2006	37.5268906611469
2007	38.259334627566375
2008	41.62432813055002
2009	34.747171960053265
2010	36.92102615489033
2011	41.559095370631916
2012	36.063554255906894
2013	32.111859195316825
2014	31.63130605813359
2015	25.087091960730014
2016	23.736004126471
2017	26.192181756771888
2018	28.343542920914903
2019	28.476451649181822
2020	24.015224651989925
2021	29.663597618825698
2022	31.291936152658455
2023	32.045509468863