Year	% of GDP
1970	54.59067383251293
1971	54.5828670292664
1972	54.585564635057985
1973	54.598959278214465
1974	54.62588281583704
1975	54.56009023372428
1976	54.54384341524414
1977	54.59904853585604
1978	54.66592800916007
1979	54.7605026679129
1980	54.231128361740176
1981	54.46260778116051
1982	54.87507731190928
1983	55.00032428886252
1984	55.23337497987851
1985	51.584258518156936
1986	55.620003644004115
1987	56.93742295959625
1988	55.62656102250332
1989	56.39862941883249
1990	53.90128676273549
1991	59.39463697417248
1992	61.05363459585925
1993	61.94110458987446
1994	67.95862140146389
1995	70.5094057958156
1996	59.54663009783279
1997	61.11785921041005
1998	63.123216257024225
1999	62.012122766255615
2000	60.716038396356666
2001	60.53834305481908
2002	58.37424271743499
2003	58.4462357804196
2004	54.987566421485226
2005	52.9021356031335
2006	55.79889577345154
2007	51.702019831444666
2008	49.056594464718295
2009	48.09600515463918
2010	50.318679268747665
2011	52.86128424409334
2012	54.353919142478226
2013	54.28267745113289
2014	55.088207835489186
2015	55.72413603143707
2016	55.84849755308251
2017	55.98413657789221
2018	55.959000300820016
2019	54.666259296358035
2020	50.62327785840572
2021	52.59933688897595
2022	59.64963186070775