Year	% of GDP
1960	4.368733117743422
1961	4.264602792318697
1962	4.447152571626495
1963	4.39999640987231
1964	4.189153711562518
1965	4.034190530048338
1966	3.95388817566131
1967	3.9407001767425553
1968	3.6764569696540663
1969	3.4659976680167333
1970	3.2066754803138426
1971	3.188966935771616
1972	3.2121920465516376
1973	3.0562604844272685
1974	3.082137447460649
1975	3.1953143838368376
1976	3.099113054660346
1977	3.075692216840701
1978	3.0254204539821368
1979	2.9973125682935007
1980	3.035529227549508
1981	3.1162495649773563
1982	3.2058293153600665
1983	3.1740559404891604
1984	3.117213428228107
1985	3.078582010613041
1986	2.926413668262877
1987	2.8868015157954034
1988	2.761968758797669
1989	2.6705471652658073
1990	2.6014053323085156
1991	2.4687630455436165
1992	2.4286793745192456
1993	2.329952164511146
1994	2.2489823700006117
1995	2.0386445806046614
1996	2.015990253490456
1997	2.008365474511398
1998	1.8964737623184436
1999	1.8784742600731028
2000	1.8567713997297093
2001	1.8271128873276004
2002	1.8488646264043342
2003	1.8347025555976855
2004	1.7935641747190008
2005	1.7315041937034807
2006	1.727852575473676
2007	1.7035976617457322
2008	1.7283564592185934
2009	1.8262879786812938
2010	1.7689132475630744
2011	1.7213152432730343
2012	1.7658221840021442
2013	1.7308263681097156
2014	1.6995932237357076
2015	1.684531832109544
2016	1.698945680287716
2017	1.6484397393311185
2018	1.6342440064241595
2019	1.692223684091412
2020	1.8295661170462956
2021	1.7667759574168627
2022	2.0408361430130917