Year	% of GDP
1974	0.340186631141167
1975	0.32130511572033
1976	0.385736298950942
1977	0.335836031110512
1978	0.379520275189301
1979	0.864958555471364
1980	0.770105630007003
1981	0.417196586572948
1982	0.284683399410002
1983	0.529135521856333
1984	0.79182040505135
1985	0.768484155595027
1986	0.245552114702255
1987	0.323893995282382
1988	0.195489380890473
1989	0.250544900133297
1990	0.400105606628418
1991	0.215801509024324
1992	0.259967750227605
1993	0.220950034231678
1994	0.203752656578402
1995	0.23589004398015
1996	0.215160119006138
1997	0.16364458574617
1998	0.133788317191513
1999	0.260829730780095
2000	0.366975715871392
2001	0.233968575112161
2002	0.233345874765377
2003	0.216001790781783
2004	0.231208899358295
2005	0.344768895111478
2006	0.381788552150649
2007	0.337029001675535
2008	0.381152347371583
2009	0.195379735576456
2010	0.274995862501036
2011	0.44650222837092
2012	0.421754818765643
2013	0.345790863079305
2014	0.293287641580527
2015	0.105085270554838
2016	0.0786113955245193
2017	0.113958458217943
2018	0.193101287398602
2019	0.211318147181856
2020	0.118477272101359
2021	0.309362900191603