Year	% of GDP
1968	1.8509964684664881
1969	2.0278247980736777
1970	2.1457698386441173
1971	2.2800071216427744
1972	2.33758060695034
1973	2.2584613604341106
1974	2.56480433371039
1975	2.7436376164392327
1976	2.7123071313975657
1977	2.7022239889345623
1978	3.3613714599646345
1979	3.323378652180766
1980	2.7254600080898586
1981	2.8573612289316883
1982	2.8851501553683763
1983	3.1540183267167867
1984	3.162657855261645
1985	3.079206752686092
1986	3.168255987236833
1987	2.7221687053225874
1988	2.900023937440473
1989	2.9702525775053834
1990	3.293002967669449
1991	3.108791132614447
1992	2.121415232461362
1993	2.3037152001199313
1994	1.9276533474914745
1995	1.556301262019301
1996	1.451114921821436
1997	1.469628418856195
1998	2.139173786529609
1999	2.3831117818943452
2000	2.038688114108629
2001	1.943458454052103
2002	1.8358258800471774
2003	1.5580718768789326
2004	1.888074825821715
2005	1.5300959944403714
2006	1.6069773938404222
2007	1.787590188559124
2008	1.8488994934876277
2009	1.83012462957837
2010	1.312435686264816
2011	1.2497067771804946
2012	1.1082233025498183
2013	1.1818459846557103
2014	1.192710720654196
2015	1.254808877888922
2016	1.2398526779398502
2017	1.231124289074684
2018	1.1265077062963056
2019	1.1304686896674974
2020	1.178657689277243
2021	1.1538357412686178
2022	1.2004075464167991