Year	% of GDP
1972	31.46936919606163
1973	31.788375100055415
1974	31.362091781432248
1975	31.21752235974606
1976	32.55268484950464
1977	33.1066036711198
1978	33.45647779504443
1979	34.16212318864818
1980	36.62667031126779
1981	38.32110089229699
1982	37.862857849502255
1983	39.02730303320086
1984	38.137678040459164
1985	39.587519247797836
1986	42.02628576142097
1987	40.20986841483507
1988	40.17639334782949
1989	39.18796109709357
1990	40.91091548967075
1991	40.46035436603817
1992	39.096634702303426
1993	38.14526754118828
1994	38.86688318201778
1995	41.639308178059636
1996	42.76846261207276
1997	42.44405698564845
1998	41.1051807064295
1999	42.07284381778228
2000	47.450786279795274
2001	46.471646279970486
2002	46.849109257773414
2003	45.886293597357295
2004	47.15151027082589
2005	48.37992485867813
2006	50.61839540359868
2007	50.130583592565635
2008	50.97662782427297
2009	47.43195098437848
2010	46.95090987740231
2011	48.655499836472735
2012	48.42411304818305
2013	46.287506047079034
2014	45.867575691636596
2015	45.38865619038887
2016	45.18216258803255
2017	45.16149514474875
2018	46.6544725255768
2019	47.47572726461431
2020	44.61492239804136
2021	47.45522072391997
2022	56.34623234335228