Year	% of GDP
1970	65.74165255465412
1971	68.07462518058381
1972	63.98275376494651
1973	64.66886218719793
1974	72.46689681902994
1975	76.92117787272683
1976	74.80316783918549
1977	71.76689336530815
1978	67.83156598494509
1979	67.36104611352765
1980	67.43341853880708
1981	69.6433868349512
1982	69.4958484289412
1983	69.41104183049461
1984	70.67057250123968
1985	67.89133776437929
1986	65.05230311401387
1987	64.28064186156465
1988	64.09282956565147
1989	63.26122595638635
1990	63.88249666904434
1991	64.79385414438713
1992	65.77225700047778
1993	67.56570451327498
1994	66.55829300395997
1995	64.7197965929067
1996	65.02601848017592
1997	63.87369081654272
1998	63.01793027730339
1999	63.29384710564645
2000	63.40111737429539
2001	62.81013982477439
2002	62.70511110565666
2003	63.18346230558129
2004	63.62254686072604
2005	64.43240791402712
2006	64.58580722516788
2007	64.85099180406243
2008	66.20503955212175
2009	64.75682606641931
2010	65.92552220933243
2011	65.88673129071047
2012	66.45736882116012
2013	65.42120921623726
2014	66.13528919183815
2015	65.55465868807082
2016	65.43218063532704
2017	64.57914404599076
2018	64.26972342168149
2019	64.05803308246098
2020	64.05637536567072
2021	63.50117021404667
2022	64.19237560524783
2023	62.58191034131361