Year	% of GDP
1970	4.03007518796992
1971	3.74168514412417
1972	3.27365728900256
1973	3.00699300699301
1974	3.2078413900646003
1975	3.3354050134659197
1976	3.00623936471923
1977	2.9553264604811
1978	3.2396379228203904
1979	3.2390444086179104
1980	3.34257975034674
1981	3.3337607385562302
1982	3.24330699374926
1983	3.33593662836104
1984	3.1476750127746604
1985	4.97242913804779
1986	3.22373254959589
1987	3.15557729941292
1988	3.5962232713135203
1989	2.78616206175993
1990	2.5635380270904102
1991	2.16146979946364
1992	2.1796531721192
1993	1.90656828980965
1994	1.82413438385634
1995	1.32472748303328
1996	1.25906103979783
1997	1.4766844027822599
1998	1.2721641748015
1999	1.4336125996917601
2000	1.51310022700998
2001	1.57012709014657
2002	1.59377380209258
2003	1.64262159438689
2004	1.47272381889096
2005	1.40983615554013
2006	1.2185665067282299
2007	1.26721425125684
2008	1.1797675620911399
2009	1.125985152169
2010	1.02199035673629
2011	1.03709056372928
2012	1.0264985611604298
2013	0.943403779328103
2014	0.857809630794751
2015	0.9047220733361471
2016	1.00201990429055
2017	1.19355289709367
2018	1.0060748018113301
2019	1.33550194403956
2020	1.76057381022288
2021	1.68336608855554
2022	1.52573720690762