Year	% of GDP
1960	7.604046979123239
1961	5.994945316193974
1962	9.38368289056535
1963	7.890452032750267
1964	5.563714074763677
1965	4.150582972280581
1966	4.989688033541586
1967	4.997064146668649
1968	5.403711422519082
1969	6.398713316529901
1970	4.735877404919267
1971	6.607956034255038
1972	6.837877358187998
1973	5.709500790365444
1974	6.289009060022245
1975	5.9786724961196365
1976	5.921496327850122
1977	7.326394155221644
1978	5.715406434322107
1979	6.3297691743793765
1980	6.483699779569177
1981	7.371927998573451
1982	6.520993021393433
1983	5.8361494200383595
1984	4.756486117432863
1985	6.273327049952875
1986	6.324055247844072
1987	7.575764069551652
1988	6.21184563577101
1989	6.579388793319714
1990	4.631322407417753
1991	6.078010810566982
1992	8.132793114315644
1993	9.313799914075634
1994	10.604397141081417
1995	10.09101283078536
1996	11.07787164970756
1997	12.775328741817734
1998	12.934446011976988
1999	11.555570447547465
2000	11.636069545176655
2001	10.273247369013582
2002	13.370127359395994
2003	14.7138051046861
2004	16.845026684957805
2005	17.305394236766247
2006	17.406785268103604
2007	18.2824203070644
2008	18.341772996413997
2009	14.49614184940606
2010	16.03718985819868
2011	16.756945854648876
2012	14.28868290968624
2013	14.716755613665145
2014	14.001315055851881
2015	11.780574038525392
2016	13.566792679878922
2017	13.96931777800452
2018	16.325850205089225
2019	14.705736668003688
2020	13.598284370167537
2021	14.93343631035029
2022	15.35095229861268
2023	14.052391921801616