Year	% of GDP
1960	83.94021501918505
1961	84.90759588628177
1962	86.10528156698146
1963	84.48685460880584
1964	82.98822900378947
1965	82.16164054090736
1966	81.88681958725822
1967	82.61437908496731
1968	79.37907482148401
1969	80.3777591452582
1970	78.4296218487395
1971	80.00806126561871
1972	80.04568600390233
1973	79.15304066818307
1974	78.12431055272214
1975	78.8502180531556
1976	77.79533696216356
1977	75.29422405641003
1978	77.00885984881693
1979	78.68773567386968
1980	78.90895579219922
1981	81.58001574510546
1982	82.01216526369733
1983	82.88397644711706
1984	82.91130007485428
1985	82.58481902865695
1986	81.11124775153904
1987	84.63215368148956
1988	84.1518690918044
1989	83.7561067846289
1990	83.6276149362153
1991	83.8971971967492
1992	84.4800715956291
1993	84.77026726099352
1994	86.07645204170731
1995	85.60627090110228
1996	87.0056299875838
1997	86.95789393160956
1998	85.00754282282283
1999	84.67502967950277
2000	83.91751707857534
2001	84.76225041030561
2002	84.56831723572624
2003	85.84701641664164
2004	86.925423004826
2005	89.12660709967257
2006	89.19716556515496
2007	88.69636376206688
2008	90.74001222917224
2009	87.32957228616236
2010	87.49025964082523
2011	86.73210234902133
2012	87.31959567675257
2013	85.5583344939829
2014	85.26800592266504
2015	84.31737414538787
2016	84.56423768520865
2017	84.91039843173034
2018	85.76234688794293
2019	84.85594890224895
2020	83.47817414437758
2021	85.89135427164227
2022	88.4606750040072
2023	87.79181077571225