Year	% of GDP
1968	76.98052603312061
1969	76.75181789612061
1970	70.76617902305976
1971	63.93274808449918
1972	56.68564010385461
1973	21.21326980001444
1974	50.26672290591505
1975	48.39907615632407
1976	64.52199699035141
1977	75.14042849331412
1978	92.28096792990094
1979	79.38755858678824
1980	63.84456164901595
1981	67.27449480001347
1982	88.38662641291064
1983	109.20795540099665
1984	110.70078138714008
1985	106.57130405667547
1986	109.08328675237561
1987	106.27081833789818
1988	103.87935338059233
1989	104.3314242504866
1990	91.03842006696556
1991	98.08249995961033
1992	96.87842086195008
1993	99.10134246382778
1994	92.06941508800348
1995	90.36604448418464
1996	86.60817817839718
1997	86.87087110278762
1998	96.8236290170201
1999	88.51310684174337
2000	81.35591073913614
2001	84.29319523370928
2002	82.6951908661054
2003	78.12274876773029
2004	73.11217448929848
2005	67.85258996190193
2006	70.2807881878099
2007	74.98843681819727
2008	71.87962680801421
2009	90.68110025560603
2010	83.41029807999588
2011	73.65680347445003
2012	75.16838087994084
2013	79.07539179452931
2014	87.06526987183679
2015	104.3760649988887
2016	99.58706706706707
2017	94.68281348485583
2018	87.5585608543073
2019	92.01979381915388
2020	99.90953387976177
2021	91.59353708033807
2022	83.07111398381052
2023	92.62860702656418