Year	% of GDP
1960	2.25074702204848
1961	2.0312448260210703
1962	2.2677458919260403
1963	1.9696329195804398
1964	1.93055857347098
1965	1.88486682463102
1966	2.07961936015824
1967	1.8519569435799799
1968	2.29767251939567
1969	2.43416753437938
1970	2.28661622551749
1971	2.1079717457114002
1972	2.3177820980076502
1973	2.11074172547559
1974	2.20756393740679
1975	2.00426223337861
1976	2.32104693213536
1977	2.31423266289489
1978	2.35795730062073
1979	2.4970649013133
1980	2.48989578488601
1981	2.58210874483481
1982	2.66030674579303
1983	2.93627289991861
1984	2.9660055044130202
1985	2.95472170818505
1986	2.6250366796807
1987	2.6147006889558
1988	2.48937521722977
1989	2.3596751422500497
1990	2.29330520898016
1991	2.1291922311280302
1992	2.04280367601027
1993	2.0118717370405
1994	2.00133740218861
1995	1.91702239465122
1996	1.81443901615473
1997	1.72281567944182
1998	1.7573199488612201
1999	1.75523458900652
2000	1.7255179883945801
2001	1.6295840329361402
2002	1.45597370162444
2003	1.42254439300681
2004	1.4302211796792599
2005	1.38717775355122
2006	1.3700074614747801
2007	1.3631063122769098
2008	1.3676204845066602
2009	1.35835383696039
2010	1.3873781239833
2011	1.3318765552101401
2012	1.42363040003724
2013	1.2723604039279799
2014	1.25391242368837
2015	1.2702320395662
2016	1.1371359092622202
2017	1.23002910987775
2018	1.25433377164601
2019	1.2327049175721199
2020	1.3678936018154
2021	1.36942532659619
2022	1.46603384385733