Year	% of GDP
1964	20.894479678903686
1965	24.28273597387258
1966	24.526544250919436
1967	24.866133019953974
1968	25.796289743306897
1969	26.00021667120924
1970	26.938839255519277
1971	28.412928285556536
1972	30.309264478567773
1973	30.239341873310142
1974	27.796128426185962
1975	30.5793582661149
1976	32.60724664216372
1977	31.316447923873106
1978	33.437588061157705
1979	35.433833444348764
1980	36.18440287462604
1981	37.81412602260327
1982	39.821480490693915
1983	40.275828217337676
1984	40.45612125087332
1985	42.11806656180779
1986	47.78332624127249
1987	47.0087780377848
1988	45.78771102602483
1989	59.08587207726594
1990	43.46965498249938
1991	44.35255776759572
1992	49.0219820625036
1993	52.20371941004702
1994	48.67334125507942
1995	48.76169903799487
1996	51.960378553600506
1997	55.60480239825424
1998	57.77088573376617
1999	63.6365439275633
2000	63.89365976332701
2001	68.29810716373157
2002	71.45647244127039
2003	74.39557283122072
2004	72.57750872303927
2005	73.118226728164
2006	76.52876451788185
2007	77.71641371077152
2008	79.2700697205754
2009	95.49858187468331
2010	94.66707991470338
2011	95.79223616183891
2012	100.52168557179415
2013	106.42801911190725
2014	113.05702347422832
2015	125.8971123435586
2016	129.83992457928255
2017	126.80784679308515
2018	126.66935234495368
2019	128.98058616473534
2020	145.39307964546032
2021	145.31943967084126
2022	156.71332078749245
2023	161.815112444691