Year	% of GDP
1965	55.19755730756961
1966	54.44100180738446
1967	54.29625076828519
1968	52.45206262358752
1969	48.98036973508671
1970	49.38389294919324
1971	51.24607965467237
1972	57.22153641629475
1973	62.943036219424265
1974	73.24897351549932
1975	71.26297309815865
1976	72.36070952116114
1977	75.63807686739109
1978	69.7962857581299
1979	74.11278522342926
1980	67.40646418556628
1981	60.266492478384
1982	51.24774023310442
1983	54.397801039588835
1984	50.29067504853095
1985	52.210538209372636
1986	53.714122724425664
1987	45.09462219967237
1988	38.09570441158219
1989	36.92829582294358
1990	49.61562778869638
1991	47.75343092636154
1992	48.67524582390203
1993	53.52729048703606
1994	55.148648641609796
1995	59.36075433578842
1996	55.281856729330705
1997	63.557092754938296
1998	60.87229075095336
1999	60.990489620129814
2000	68.71008890449112
2001	65.89073853622513
2002	65.91909077677079
2003	68.23698247861003
2004	69.78226417676909
2005	69.71581167505782
2006	73.45556750702661
2007	77.62105603479948
2008	80.66597393990845
2009	66.07119117444871
2010	73.53728767253978
2011	79.27664370250515
2012	77.64857162228826
2013	80.45119449082713
2014	78.1044257477935
2015	76.56027073705192
2016	72.81909337314909
2017	74.30465119165193
2018	75.63361688799559
2019	76.04201309914683
2020	66.45950694970826
2021	81.84507598007653
2022	88.1547423295316
2023	80.92288189955084