Year	% of GDP
1960	18.234199816607205
1961	14.118121685227752
1962	13.477127657662766
1963	15.447259020027019
1964	17.38050342517251
1965	22.17327363507775
1966	23.042607839763317
1967	27.438088320841597
1968	28.41122936678409
1969	33.2017249500644
1970	39.63790344674171
1971	45.6184127164884
1972	41.18455160670065
1973	41.61214261333323
1974	43.811404502046294
1975	47.941227961552194
1976	44.019757708696446
1977	50.95968551865935
1978	51.0704526504407
1979	54.538168153561564
1980	53.138619599486084
1981	59.88937209796516
1982	57.85733537394624
1983	45.34201189082713
1984	50.511303491975525
1985	60.301217978157105
1986	49.29141769820418
1987	46.2181352147978
1988	45.886828029030575
1989	38.30036735894052
1990	45.720182145139624
1991	51.34471683554863
1992	56.74074580485531
1993	55.381799133660515
1994	64.40047925355648
1995	63.80014001047499
1996	56.51779144563671
1997	58.71162961139657
1998	59.59362529814328
1999	54.39178915389571
2000	47.348151501284434
2001	48.25717063921973
2002	43.768422536431096
2003	41.61623055743336
2004	39.90297433650955
2005	39.09593118791423
2006	39.77469871285512
2007	49.113784152970524
2008	47.775359269516855
2009	44.70262906298062
2010	51.43085994929244
2011	47.21702881184026
2012	50.73673677911344
2013	59.20019183318752
2014	65.26827494045507
2015	56.75631318494763
2016	58.98692833782759
2017	61.47659695884744
2018	61.79519449034482
2019	63.68133231422999
2020	44.83323337687261
2021	48.05486083244088
2022	50.93352007034002
2023	51.35046501139055