Year	% of GDP
1975	65.32488421753237
1976	65.07041432195236
1977	46.0115366393614
1978	47.60139985368839
1979	50.23281626478651
1980	45.4729635085439
1981	43.52770330775571
1982	43.96485964087191
1983	46.06357542290871
1984	41.54100782694195
1985	49.90201677173239
1986	52.29940963435514
1987	51.450241242741114
1988	56.67997566560574
1989	59.63438055677357
1990	60.44915946316585
1991	57.8543398639614
1992	57.186733823686176
1993	60.81963183835038
1994	64.23260991963966
1995	62.256135814912916
1996	63.38260698084959
1997	67.70432905919189
1998	71.30011707326744
1999	76.96582364873832
2000	73.6136224513596
2001	71.60136111445755
2002	70.9184203740365
2003	69.48072279024032
2004	67.36522884119374
2005	66.42534888608645
2006	62.7161164235167
2007	61.06630942575196
2008	61.898836401422955
2009	62.21239641572039
2010	63.33221870764139
2011	65.30396949189732
2012	66.97475219866796
2013	68.24453634403864
2014	73.59256212938654
2015	75.1321278900033
2016	73.93637827364438
2017	72.32668249294619
2018	69.88689550025339
2019	71.52351661400448
2020	70.03610814369726
2021	78.70577691092606
2022	71.15847430763394
2023	67.10958835342761