Year	% of GDP
1962	1.8137363304703351
1963	1.6879230310167452
1964	2.108521684933821
1965	2.1499201381636435
1966	2.1310214624610353
1967	2.746702724171252
1968	3.1095071748632233
1969	3.4152219413859255
1970	2.9070904893412024
1971	2.674099101169665
1972	2.9092074715609084
1973	3.0046552011769454
1974	3.154804365943835
1975	4.360937412349397
1976	4.203171803263079
1977	4.4531565499047
1978	4.42088787063299
1979	3.936405875886868
1980	3.183977782584666
1981	3.061682164931154
1982	2.904225752397901
1983	3.0955692412418045
1984	2.9562143443898092
1985	2.7856439634226597
1986	2.993541373120942
1987	2.954504496187762
1988	3.290200683214295
1989	3.234041785444438
1990	3.1973075960297925
1991	2.833674431060497
1992	2.2572935442428808
1993	2.475587299893789
1994	2.0293039503542487
1995	1.5242344267982963
1996	1.2112026360024066
1997	1.2142634325046673
1998	1.2210224517789683
1999	1.8981462721998326
2000	1.6543449430329016
2001	1.6447421805412084
2002	1.6749633236147785
2003	1.4511831274747278
2004	1.4888104504789312
2005	1.3029483772470996
2006	1.282478418185141
2007	1.2820086644701156
2008	1.4478710488525037
2009	1.5144128919670552
2010	1.24267740497942
2011	1.2142734957807033
2012	1.1812538211715464
2013	1.2759963580037732
2014	1.252323678374488
2015	1.1430802555191089
2016	1.0689907007294983
2017	1.0808424249590327
2018	1.0004969775670274
2019	0.9498765146308488
2020	1.0317950923652712
2021	1.076189712684955
2022	0.9882926583100518