Year	% of GDP
1960	22.170912675764022
1961	19.630103244405834
1962	22.87925573909412
1963	29.650138759928513
1964	34.71895757163141
1965	31.07569721115538
1966	14.93624772313297
1967	1.6853932584269662
1968	23.157894736842106
1969	26.029216467463478
1970	31.46067415730337
1971	32.06967213114754
1972	33.59929078014184
1973	47.46753246753247
1974	57.12694877505567
1975	34.52157598499062
1976	31.0126582278481
1977	23.97881996974281
1978	24.54422687373396
1979	6.572499279331219
1980	4.998839165146526
1981	-5.6598123377919745
1982	-2.168065787219462
1983	0.7919831905608534
1984	0.6716929403701165
1985	-9.952647975077882
1986	8.954496735847219
1987	14.588413352392163
1988	20.148731964660268
1989	21.151114938663152
1990	5.25477300093101
1991	4.272082277497483
1992	0.9743560674713038
1993	-1.034691453804402
1994	8.168032746549189
1995	2.2913893387151507
1996	-4.245042246148512
1997	2.4164757529220586
1998	1.5015600624024852
1999	0.41028677776837835
2000	13.466985270847697
2001	14.260491864453458
2002	16.075264062903337
2003	16.54185304665932
2004	14.787900348966707
2005	14.485796747714295
2006	15.093546230880875
2007	14.874434016684434
2008	7.741881152957103
2009	6.178435069607767
2010	3.9457375024419807
2011	2.090059256961822
2012	8.65949904597727
2013	10.612626058857911
2014	11.057332305288487
2015	11.108575445215818
2016	12.461994624297171
2017	9.26994436328018
2018	11.280084284806883
2019	14.568407337354602
2020	11.182797928204984
2021	15.953448501952852
2022	20.68855543848274