Year	% of GDP
1975	129.48827918926864
1976	129.69469624229012
1977	123.31121353562718
1978	139.08308666620775
1979	143.72495877034268
1980	137.65634019626708
1981	141.86991119398851
1982	137.0369159871227
1983	150.5128850338223
1984	136.32377648167625
1985	142.102141910277
1986	144.1634565432607
1987	133.67884976465444
1988	144.01262608054734
1989	137.70239473979152
1990	131.22536627796353
1991	137.65547336242503
1992	125.3468874903868
1993	127.65534512443261
1994	128.49347606718987
1995	135.40826128722384
1996	135.40291740998086
1997	129.58684178460084
1998	136.65247704700985
1999	127.51519995432878
2000	129.4396742998907
2001	133.99582094554282
2002	139.02720034699814
2003	134.21075270948208
2004	135.35424927467432
2005	139.99195573565703
2006	136.72183885569078
2007	142.84228445392608
2008	143.79894970122496
2009	151.59340655124012
2010	147.17703293834902
2011	145.28601881128708
2012	144.72358382594024
2013	140.1559835658846
2014	140.767774504624
2015	146.11030742858597
2016	140.799187295509
2017	142.5742833051365
2018	140.49830498360924
2019	138.50047793258057
2020	139.88858451076476
2021	161.70515931897663