Year	% of GDP
1965	23.240626055624368
1966	21.91279601585527
1967	20.332431387707768
1968	20.3224909646928
1969	21.300284437220647
1970	23.23796701447324
1971	22.23822382238224
1972	20.579651806380195
1973	22.227908563630162
1974	22.151963632634924
1975	21.471438097354966
1976	19.048462609135772
1977	20.067144819166792
1978	18.720429199053733
1979	18.673165054193642
1980	19.759513702986112
1981	17.854072712364278
1982	17.067035585552894
1983	16.105241524412726
1984	16.517164912885978
1985	13.100408233450942
1986	17.36714527549534
1987	11.86862870252995
1988	15.747097304455032
1989	13.827776519708443
1990	13.422823866357666
1991	12.505731164082473
1992	12.012837108294248
1993	10.781496190242454
1994	9.994485201392763
1995	9.814777609557146
1996	9.19340246436474
1997	9.144299034862161
1998	8.991809962449754
1999	7.82103071357272
2000	6.718342047478938
2001	6.997518612709746
2002	6.805119218290372
2003	6.6938498439482625
2004	7.020472992553918
2005	7.21193528375622
2006	6.858719319675203
2007	6.511573910567052
2008	6.335822167755158
2009	6.137352515897174
2010	6.057457825809019
2011	5.636860249376009
2012	5.401093850975776
2013	5.304865946257426
2014	5.193456291402742
2015	5.484695930639099
2016	5.507273224158178
2017	5.342666642996613
2018	5.1477828188667285
2019	5.227288926215819
2020	6.041477525322517
2021	5.66578214634109
2022	5.787991235668762
2023	6.3668923231164