Year	% of GDP
1960	33.81498584835394
1961	35.261089275687816
1962	35.39651837524178
1963	34.410043881033644
1964	34.48577680525164
1965	36.43959500638946
1966	36.16692426584235
1967	35.37033940812574
1968	34.63203463203463
1969	32.72454844876134
1970	29.322268326417706
1971	28.248974008207934
1972	28.01992702490206
1973	28.00000153424666
1974	26.582890285161913
1975	24.644128113879006
1976	25.519288780389047
1977	26.89428052992754
1978	39.38804109076222
1979	36.24857694706326
1980	34.96059741714359
1981	32.938007289673465
1982	29.780466932142456
1983	28.29657498807226
1984	25.715631148612616
1985	24.838135368810967
1986	24.689673106970396
1987	23.61302337678119
1988	25.209899018074395
1989	24.566123749081704
1990	24.191373257090316
1991	23.959936729290916
1992	22.684594073843478
1993	21.287194555893155
1994	21.11651483395211
1995	20.540772967081143
1996	20.254567104904147
1997	18.91812217130622
1998	18.313957804984113
1999	13.618190364992625
2000	14.372523538688583
2001	13.165990658333312
2002	12.18341273982593
2003	11.614098522733162
2004	12.170704146866244
2005	12.470924758663251
2006	11.856579151477547
2007	11.911047441592826
2008	12.150170206263391
2009	10.825041486444617
2010	11.591220437975716
2011	14.21965580169765
2012	13.56629403470611
2013	12.191127940396145
2014	12.538350133310502
2015	12.215978446811635
2016	12.049901405846363
2017	12.669768109487803
2018	11.610160461364448
2019	10.638033409475147
2020	12.188067140755257
2021	10.893051926619322
2022	12.473273024445541
2023	11.979758698121207