Year	% of GDP
1960	2.71382598828575
1961	2.57386907530496
1962	2.6338383568595503
1963	2.75343795360876
1964	2.72735589826609
1965	2.7475801622298404
1966	2.98871998055421
1967	2.767746940336
1968	2.64896159188232
1969	2.42240082694152
1970	2.05821005427826
1971	2.2389709472173
1972	2.39117601629548
1973	2.1958174142776397
1974	2.07062677398957
1975	1.97523216803617
1976	1.82814366885272
1977	1.89080851218824
1978	1.8797551045681802
1979	1.8739594666396802
1980	1.76364323708972
1981	1.82111250603573
1982	2.0053729031431
1983	2.01650141992046
1984	2.00860777360645
1985	1.9363689201663499
1986	1.97714264210667
1987	2.0603536440041403
1988	2.07285745924484
1989	2.02642731989536
1990	1.8807984132592
1991	1.8588526837555401
1992	1.7519769834748702
1993	1.7867679733127
1994	1.71374275955101
1995	1.46784314334637
1996	1.58849227935037
1997	1.62669279946621
1998	1.64450887913205
1999	1.68329979808882
2000	1.74105950432123
2001	1.6793647376814502
2002	1.7061872461629002
2003	1.70899553724228
2004	1.68267326961679
2005	1.60096876399271
2006	1.52134332564687
2007	1.4470525187699699
2008	1.5356747965255702
2009	1.5542107022709502
2010	1.50049457592519
2011	1.4759565970897601
2012	1.42692488876226
2013	1.39902128680429
2014	1.2829696542767202
2015	1.20822825265709
2016	1.3348352516955602
2017	1.3573704810148701
2018	1.35929101145422
2019	1.31150962472626
2020	1.7396316667743599
2021	1.72006283098808
2022	1.67909233846156