Year	% of GDP
1960	3.7698628621708004
1961	3.7399062756664603
1962	4.4959672202832905
1963	4.89928397485692
1964	4.38429971954757
1965	4.09107245058985
1966	3.9092968375277697
1967	4.07767629351234
1968	3.40638728996724
1969	3.3986228937298697
1970	3.0126306441914
1971	3.0602135619165702
1972	3.16750756612331
1973	3.15961733306638
1974	3.2611413303770798
1975	3.2832161608145802
1976	3.1355665940907897
1977	3.0382937113130297
1978	3.04944455208258
1979	2.9641823832573
1980	2.96134975965833
1981	3.0418796886871
1982	3.03429562949999
1983	3.0269739405214002
1984	2.92622466159061
1985	2.86737948445472
1986	2.79032856698511
1987	2.77229902629809
1988	2.64090993011822
1989	2.53243053363675
1990	2.51843270660831
1991	1.9978349881887898
1992	1.8604799411357902
1993	1.6935383226344198
1994	1.5502764327538898
1995	1.49502201427653
1996	1.46585845994395
1997	1.40930173264786
1998	1.39089478616645
1999	1.39507435456434
2000	1.35888303317903
2001	1.3234383027941001
2002	1.3279581209234301
2003	1.31692486502826
2004	1.2689573964039902
2005	1.06562970052135
2006	1.19930295839133
2007	1.1724717649176901
2008	1.20903400366779
2009	1.3106040732214899
2010	1.2668266261113699
2011	1.20615033635783
2012	1.2416774790460798
2013	1.18525790100841
2014	1.14994199690514
2015	1.13733842666332
2016	1.15123037317289
2017	1.15340372066259
2018	1.1705485447711301
2019	1.2621502565313298
2020	1.37358571457936
2021	1.32678559033803
2022	1.3900550095965298