Year	% of GDP
1965	18.764380231193933
1966	21.126717818107206
1967	21.85706248094133
1968	16.903252021036227
1969	19.53678114653168
1970	16.312040778124988
1971	18.4947209510481
1972	18.970191685537756
1973	15.92594698855994
1974	19.471641706938346
1975	18.597107721278476
1976	18.588655632261418
1977	17.480632596307274
1978	14.069290138191684
1979	13.085373494189062
1980	15.07753065107648
1981	16.60812032013785
1982	14.808516649769707
1983	9.923921315980401
1984	13.436572470958108
1985	20.726564768805293
1986	16.13588059181825
1987	13.123828373315071
1988	14.825314239967295
1989	13.398822857816048
1990	14.832046757077707
1991	13.546905966369172
1992	6.751570420448447
1993	13.73790750568728
1994	17.080077060665317
1995	13.465968887951346
1996	19.342622982751166
1997	16.69573065076328
1998	18.890320323677958
1999	15.481266724322824
2000	15.667063420551422
2001	15.62707071947679
2002	12.568367556293984
2003	14.793355210823508
2004	18.063796834448624
2005	17.148239739149982
2006	19.23011578195875
2007	21.1976885420745
2008	19.02107406322726
2009	10.742550226063699
2010	9.609863268631043
2011	8.665865172986404
2012	8.0445175274368
2013	7.144479446357502
2014	8.745304228772646
2015	8.284246902761284
2016	7.87398582101493
2017	8.340968872222621
2018	7.319375146190243
2019	9.819261605245586
2020	8.772858755736639
2021	8.849899247991228
2022	7.191922165974149
2023	27.005426533010656