Year	% of GDP
1962	6.67547918043622
1963	8.6646884272997
1964	10.328389830508499
1965	10.1174345076784
1966	8.71826883062838
1967	8.90769850866586
1968	11.1330438215555
1969	14.3360534124629
1970	15.9878828677213
1971	17.187012176084902
1972	13.5645302897278
1973	13.5135135135135
1974	17.2742435072671
1975	15.4318460908719
1976	13.726896112173401
1977	13.1120584652862
1978	9.94071348257181
1979	6.4689378757515
1980	6.16031027795734
1981	7.416909620991249
1982	7.1889606053861606
1983	7.958673932788369
1984	8.26523207017322
1985	7.856933059197351
1986	7.49813056581541
1987	6.528742770640069
1988	5.06087662337662
1989	3.96809895833333
1990	3.4676995357893
1991	3.61174470420041
1992	3.21550063172359
1993	3.0977369924992297
1994	3.15393465100637
1995	3.08203623414837
1996	2.97481186979645
1997	2.84148521846447
1998	2.6593832909436896
1999	2.56976747814276
2000	2.55126513982739
2001	2.98556856033807
2002	3.2784547965037403
2003	3.1772852700972596
2004	2.87753123653597
2005	2.7142204065760502
2006	2.60621860261331
2007	2.37963467509709
2008	2.1807854853701603
2009	2.03264504307225
2010	1.95296704226796
2011	1.83702555925574
2012	1.64817579267929
2013	1.6100569769941901
2014	1.68969483568075
2015	1.7231474282908499
2016	1.66660515243227
2017	1.42203170028818
2018	1.24996619642133
2019	1.1809717968471098
2020	1.12247550332399
2021	1.12200927143154
2022	1.06181004427704