Year	% of GDP
1960	54.24309726952063
1961	67.5761419867634
1962	76.54381649429138
1963	71.99565803727171
1964	65.76137904604835
1965	60.53663978256487
1966	59.56936263551831
1967	65.32203404731438
1968	66.08852077828263
1969	62.299491785253025
1970	59.71877680853615
1971	57.74184220332329
1972	58.55213155115149
1973	57.95423687720365
1974	57.53294114945643
1975	57.063821206144596
1976	58.6802772230863
1977	56.79883188982028
1978	54.81635954313027
1979	53.602935110907026
1980	55.28799522375718
1981	58.215864462496704
1982	59.00394935565144
1983	56.747147257868114
1984	55.385856191608084
1985	55.201853569689774
1986	54.387524334507155
1987	51.99897598235097
1988	53.208456914929755
1989	55.351492524334525
1990	55.67868582242031
1991	54.47272079902676
1992	52.774983838033684
1993	50.860373625635305
1994	50.64108895489967
1995	51.35520676613754
1996	51.86736125091406
1997	50.90010170525792
1998	49.39659385167216
1999	51.02798781247887
2000	50.27071890275919
2001	49.55047509631466
2002	49.58685537535201
2003	48.01609328449613
2004	46.115771614304876
2005	45.00298786955446
2006	43.38049265019881
2007	42.02868912561747
2008	40.62855282775793
2009	40.17634064733115
2010	39.163398589460776
2011	39.31443862558589
2012	39.6655879285118
2013	39.87204833104674
2014	40.36591405922092
2015	41.171499651173974
2016	42.017181428204964
2017	41.77034245537526
2018	41.62961560986283
2019	42.47952234770572
2020	41.59820458839804
2021	41.017415803730586
2022	40.442598293565645