Year	% of GDP
1965	18.354803542312304
1966	18.362706347531788
1967	24.402111185522678
1968	25.22184405346578
1969	24.823016860351753
1970	29.786267945804422
1971	30.139449935032836
1972	31.013213427778446
1973	30.245897141225292
1974	31.659696740252958
1975	31.817321041584446
1976	31.889443035234226
1977	32.33281822324826
1978	35.459598390966754
1979	32.2241864106304
1980	32.604871312546976
1981	38.47031766528309
1982	38.48195403222258
1983	37.7134665438416
1984	35.92429334940996
1985	35.47835461436805
1986	39.38974381192197
1987	44.45946302964533
1988	43.64238523362879
1989	42.270938578130426
1990	42.829834314646114
1991	46.92724339534495
1992	48.05894676441003
1993	47.93027884981821
1994	29.07116933892187
1995	40.02836380762428
1996	34.72489346875516
1997	35.42898161223801
1998	35.779819179672
1999	41.85679441492943
2000	44.33255025315733
2001	43.42931720822601
2002	44.39710241073435
2003	43.682424145423674
2004	42.45703396839624
2005	42.53824048257586
2006	45.205041169844925
2007	48.19579722285229
2008	49.30989099751606
2009	49.51035740079927
2010	49.879309596574025
2011	47.8976583440155
2012	48.84905906343791
2013	49.800857085789666
2014	49.22135417500358
2015	49.74301282846531
2016	49.288233821244916
2017	47.87648776993265
2018	49.689485748877956
2019	49.0985692626107
2020	46.578508318402015
2021	47.68816538605813
2022	46.468562002327886
2023	44.34044849088063