Year	% of GDP
1967	82.66287411547097
1968	78.34964974709311
1969	77.76836749414956
1970	78.27723012936465
1971	78.53684138026227
1972	78.72285594504748
1973	85.28482359356185
1974	101.67259464268723
1975	92.19747341939947
1976	86.83904777408785
1977	79.81343034808998
1978	90.33162888550986
1979	87.94629109371988
1980	114.41686585153772
1981	115.50310434766928
1982	115.37829774050621
1983	116.15662229579793
1984	117.81459958821654
1985	94.4165824445667
1986	85.51655359353781
1987	77.61619994708201
1988	81.5002814991736
1989	74.81856547551808
1990	78.54728954714192
1991	85.42666439473555
1992	83.90298507499041
1993	86.80834658941843
1994	85.94755910932949
1995	85.9619844491105
1996	84.29492712864747
1997	77.24768050879501
1998	69.12421687760414
1999	76.94658020981092
2000	76.87230069577012
2001	72.08805630327831
2002	70.54791375838171
2003	70.71107146957623
2004	70.86731151474864
2005	73.41926591996794
2006	69.66409513511836
2007	70.52562768941596
2008	73.08950520399014
2009	70.43991396838275
2010	72.59756635499105
2011	69.94458949475084
2012	70.74041773451127
2013	78.7356128527221
2014	79.11024613294086
2015	78.41977415203758
2016	76.67422008045077
2017	75.86679525969197
2018	74.76451156110483
2019	73.97332811890367
2020	73.40612183093019
2021	73.4405464320102
2022	74.75816180909858
2023	74.33306121638566