Year	% of GDP
1960	9.903975895722802
1961	9.48359344058131
1962	8.350146635233418
1963	9.071397056415176
1964	7.6465629550157095
1965	7.651548612106163
1966	9.34814193945852
1967	8.99497204377971
1968	7.987897261800507
1969	7.695654937393353
1970	7.882934304700824
1971	8.156850773397794
1972	9.129935898514393
1973	11.63747381603149
1974	14.215691767727593
1975	14.14164293284804
1976	14.048665941626263
1977	13.980229890112925
1978	13.652728814951528
1979	15.173787355331989
1980	19.324074312412975
1981	21.38946151002956
1982	17.20910150894067
1983	16.47614027129234
1984	16.800962969901715
1985	16.13379795499807
1986	17.69452327877131
1987	18.124078037430085
1988	16.31457777713381
1989	15.945752733902072
1990	14.778588590651307
1991	14.199638467338351
1992	14.878838746388931
1993	14.047767599524825
1994	14.445609765965827
1995	14.425283199604538
1996	14.2869571167997
1997	16.222265315580902
1998	16.296583734034357
1999	19.256078882818887
2000	23.718380947750102
2001	22.788743917477134
2002	20.112854727633596
2003	18.544582872611375
2004	20.7081146865937
2005	21.312230606920483
2006	21.174008992719635
2007	22.52026973398561
2008	23.36156902759651
2009	18.982186820514897
2010	21.798102149064515
2011	25.489774840287076
2012	28.742579465545493
2013	30.20720698484215
2014	32.48559818352003
2015	32.12716124387557
2016	31.287456264442888
2017	35.034094234802275
2018	38.99290610110147
2019	40.11076392687461
2020	32.06408532868388
2021	40.941799607210726
2022	49.136829639382064
2023	44.8684965940555