Year	% of GDP
1960	1.76904104762464
1961	1.8361815196587998
1962	2.51317830864007
1963	1.92714178695058
1964	1.8592730316520902
1965	1.7973403827776802
1966	1.7139513137863702
1967	1.61552115269617
1968	1.755074400253
1969	1.43747769806296
1970	1.37585401679306
1971	1.44904687492755
1972	1.5308455436489798
1973	1.4537020400829799
1974	1.27017866747889
1975	1.50815981992122
1976	1.34012461675403
1977	1.40535201149425
1978	1.42944410507025
1979	1.47900930967855
1980	1.6709354799365799
1981	1.54558673057246
1982	1.6437501499771998
1983	1.8232638142335
1984	1.60404180113724
1985	1.67657907276353
1986	1.72390995338997
1987	1.6455330096052898
1988	1.60769117311844
1989	1.5343144923525
1990	1.5633514986376
1991	1.78123103649322
1992	1.90713101160862
1993	1.86801150656572
1994	1.75560359540335
1995	1.42254149924916
1996	1.5304722712130099
1997	1.5351550506601201
1998	1.46317555780765
1999	1.22310377157804
2000	1.24114750368778
2001	1.14451283258445
2002	1.15463722865486
2003	1.44685726264926
2004	1.47016356457354
2005	1.46451773981136
2006	1.44240186243663
2007	1.28752050624668
2008	1.39093940428535
2009	1.56074235593355
2010	1.49175815960034
2011	1.48940898392913
2012	1.52658465854544
2013	1.53386093450991
2014	1.45193018748459
2015	1.44996097168673
2016	1.4196526264493101
2017	1.35129760805299
2018	1.3625343739023899
2019	1.35371761625629
2020	1.42582276779338
2021	1.2615298982188299
2022	1.72168290261653