Year	% of GDP
1963	13.028390838400231
1964	12.385055656213108
1965	15.067750677506774
1966	14.716494845360826
1967	15.483870967741936
1968	16.84892177011288
1969	15.737647986926111
1970	16.23504646470872
1971	15.43335109313456
1972	17.115597328248196
1973	17.138241112787135
1974	19.798038745160444
1975	16.619486277791587
1976	17.76108421591035
1977	16.45954496229562
1978	16.402884299723304
1979	18.209831152488533
1980	21.75356440500343
1981	24.028072288365703
1982	17.673028419500543
1983	19.341807833208506
1984	18.73089386393154
1985	14.78104209293647
1986	15.105481323669038
1987	16.857833114461602
1988	15.138235637614534
1989	16.288481177947027
1990	15.766529426011141
1991	15.241129586403373
1992	15.316691774389051
1993	17.834704490158877
1994	24.39586436890574
1995	21.59300936694537
1996	24.453483545344863
1997	21.25368378549726
1998	17.09250144125548
1999	17.60496880954861
2000	17.03479764020635
2001	15.914628060427038
2002	14.932871678746626
2003	14.386667232973085
2004	16.06062103968523
2005	18.069337809179263
2006	15.923390069306139
2007	14.004033987760375
2008	15.176815962927137
2009	15.503108170930888
2010	16.511467331734806
2011	17.33760061833273
2012	15.784578338448188
2013	25.57295263767082
2014	26.1656430570193
2015	25.713849701573523
2016	25.208041304983002
2017	24.990609345446448
2018	27.801091895090522
2019	28.701369706606478
2020	31.091793465578586
2021	34.185765236323434
2022	32.89867410256198