Year	% of GDP
1960	3.7554122335509326
1961	3.684849189788861
1962	3.9522099572976774
1963	3.9548076756230404
1964	3.7331126258686265
1965	3.566206093874663
1966	3.5189983071854187
1967	3.5208093825134603
1968	3.302333059508282
1969	3.1349435552820344
1970	2.86749826512225
1971	2.8679683963207423
1972	2.90420436411215
1973	2.8076655034024043
1974	2.835971520227292
1975	2.873596800356768
1976	2.7967227314590106
1977	2.813140338031195
1978	2.798208153530818
1979	2.7686922009659423
1980	2.7243314312075197
1981	2.803341900823944
1982	2.8342502154146585
1983	2.808820299810397
1984	2.738529367285229
1985	2.6995028178317524
1986	2.611398472775217
1987	2.6342353110447188
1988	2.5386762192290204
1989	2.450007893244237
1990	2.3791453497568047
1991	2.1873037460362084
1992	2.087582769939289
1993	2.024711423148051
1994	1.946062294410938
1995	1.8131494540382158
1996	1.7959375978381886
1997	1.7613032871220977
1998	1.718065969425813
1999	1.6918627655136578
2000	1.654468282494637
2001	1.6105372943319005
2002	1.5942688861692302
2003	1.5888692193122471
2004	1.56377174383772
2005	1.4836833906048759
2006	1.47916234160213
2007	1.4388639106614312
2008	1.457743704828055
2009	1.5347277108578445
2010	1.4695593107137919
2011	1.4069502616699239
2012	1.4046497024214848
2013	1.3562405737487755
2014	1.3261320561083105
2015	1.3123167733556131
2016	1.3281002512545095
2017	1.3341390663793902
2018	1.3482967483027195
2019	1.3825622976777412
2020	1.5424564460087598
2021	1.5141573395409227
2022	1.5638984350576632