Year	% of GDP
1960	20.39318920129943
1961	20.23147912099118
1962	21.091352009744213
1963	23.988753854525665
1964	23.125958202210924
1965	24.04108376128918
1966	19.19408526437076
1967	20.494570415799245
1968	19.132546480050134
1969	17.480471111756028
1970	17.96611589286088
1971	18.202043669153984
1972	15.821337771843504
1973	28.979730931073313
1974	30.83017411636512
1975	32.3880449349271
1976	28.945874627964773
1977	27.200363276971977
1978	27.9180418977622
1979	32.864581997280865
1980	35.89689938038851
1981	35.1680110425743
1982	31.322283200528133
1983	34.69196211719957
1984	33.362632860253164
1985	33.17074617129472
1986	32.40673077670582
1987	32.89710190242786
1988	33.28422583133572
1989	34.4216591208777
1990	35.03457590049805
1991	35.419655104840295
1992	37.69453972106308
1993	38.49931687523153
1994	35.057723713159454
1995	36.13275367351904
1996	38.33012683398949
1997	36.85226610089642
1998	34.01172518053103
1999	32.319962809426556
2000	21.459969328427164
2001	23.577208844319415
2002	23.129020597888445
2003	24.650166121750217
2004	24.80834086897658
2005	29.878497999741825
2006	33.04971214259343
2007	30.787880446073572
2008	34.348960418177754
2009	33.32688558637747
2010	31.988998205449143
2011	32.3626382751438
2012	31.31897076981361
2013	30.890275019039308
2014	29.46982583349807
2015	26.68818460395413
2016	24.701579514823646
2017	25.47203640870222
2018	27.62605636516227
2019	28.90557579944528
2020	26.716280459429786
2021	27.030421558764044
2022	33.04037277125836
2023	28.102076758849577