Year	% of GDP
1967	23.183775985138002
1968	20.448061831640196
1969	19.610375275938193
1970	23.058383233532933
1971	25.03874102344771
1972	30.3611963190184
1973	36.50161400183612
1974	43.67033993276055
1975	38.970773185683214
1976	38.15487466621839
1977	37.29186721162293
1978	35.6286926492746
1979	44.344197213505524
1980	45.1737639481183
1981	41.54903414092953
1982	43.425769083380565
1983	46.27136760904018
1984	42.17140795078962
1985	33.82831876419963
1986	33.510488143150525
1987	39.544516310993146
1988	38.80656261928802
1989	40.871801377539924
1990	44.76321313557045
1991	47.17034674794746
1992	47.83914017188405
1993	41.23306155730651
1994	40.72425060770023
1995	42.56970087500036
1996	40.78951962941822
1997	49.873696143864585
1998	89.73703007522337
1999	60.40227416795152
2000	66.05098261584166
2001	59.144160303512926
2002	49.83425096105933
2003	45.27958614421615
2004	48.91976662442479
2005	56.921602817966324
2006	50.518896100967716
2007	48.84447582637769
2008	52.35770430738811
2009	39.55520333115062
2010	38.86164354974682
2011	42.65914666626091
2012	41.58791942684131
2013	40.45712164149382
2014	39.79188689883068
2015	34.043045718150324
2016	30.062217498896914
2017	32.07266524698653
2018	35.387323583750124
2019	30.288538912174513
2020	28.79246548016725
2021	36.046566093216725
2022	40.13611745737769
2023	35.06075803758556