Year	% of GDP
1960	74.98913086306005
1961	75.53154857364763
1962	75.76399764836935
1963	75.7962343415447
1964	76.68844518277685
1965	76.94592909018971
1966	78.24623323565932
1967	79.02029954881185
1968	84.51833302788941
1969	81.11538492449388
1970	84.00888179923192
1971	83.71085037596715
1972	79.88864674073469
1973	78.25614606068552
1974	71.45707097046495
1975	82.68841847362005
1976	80.8868733388016
1977	77.34677269275616
1978	77.22861036284361
1979	77.47818009565108
1980	75.35407571097832
1981	74.85322687124845
1982	81.33514555503683
1983	79.09075229314347
1984	79.52362484388688
1985	77.40296089919335
1986	78.28295039793744
1987	81.59095648984804
1988	78.54049210348599
1989	77.45696717916879
1990	74.99416523388007
1991	75.80201955931672
1992	73.8690069681874
1993	82.02210674190543
1994	81.93183961506642
1995	83.51269916121868
1996	81.1313178745908
1997	81.63838943707916
1998	83.61554847903165
1999	76.81770471264983
2000	73.13523116752141
2001	82.4229198226925
2002	83.7115476020227
2003	82.90091899269657
2004	81.62485086282413
2005	79.23935711271194
2006	76.32085890797794
2007	75.56815946646579
2008	72.4717538293368
2009	77.55485491649569
2010	77.3159772130049
2011	74.27685246245669
2012	74.32680609008159
2013	73.79941753126793
2014	74.0104134245718
2015	79.63263242077491
2016	79.20985760493552
2017	78.16616071339172
2018	78.38116821411059
2019	78.93634984679564
2020	79.83727446728682
2021	78.16913394068482
2022	77.75485441962586
2023	78.2684809517917