Year	% of GDP
1970	57.917398705445976
1971	57.96895787050457
1972	57.76650206968827
1973	57.04409489504994
1974	57.297676969595514
1975	58.52341591731369
1976	58.36241965637432
1977	58.27786470357734
1978	57.627158748992436
1979	57.84228774525909
1980	58.419900970701576
1981	58.25515379336179
1982	59.05203646715999
1983	59.46927440983746
1984	58.84851949640053
1985	59.122182586566716
1986	58.76480492316596
1987	58.75706886023666
1988	58.30677301269657
1989	58.33629039668137
1990	58.4027181573718
1991	58.41287790014989
1992	58.8466714316066
1993	59.30050901887979
1994	59.20627566852509
1995	58.51961088187352
1996	58.858085385567726
1997	59.15418122124779
1998	59.51524695344419
1999	59.90174130598245
2000	60.239785638843315
2001	60.884820095166006
2002	61.06354192978692
2003	60.85138076303927
2004	60.385489870293604
2005	60.42910653355097
2006	60.1276705877127
2007	59.783205690428645
2008	60.01718201501236
2009	60.89486366601178
2010	60.66456974303052
2011	60.52909394822132
2012	60.63219674687945
2013	60.56399627424389
2014	60.39430061760406
2015	60.391665026561846
2016	60.42722071359421
2017	60.20966826244041
2018	59.97050137375928
2019	59.777455513396426
2020	58.6780884876709
2021	58.84133975481195
2022	59.95597405474569