Year	% of GDP
1975	88.90258095433697
1976	90.85797516558985
1977	87.81949465519425
1978	94.85977834377366
1979	97.63758443007976
1980	92.77147072028734
1981	98.28480697154885
1982	88.91213047243966
1983	106.8665906836987
1984	96.56199205037494
1985	99.75348263913114
1986	104.24520441869811
1987	94.84811852156692
1988	104.55452207561227
1989	99.84533193858105
1990	93.60134822909022
1991	100.48363008424148
1992	88.67592422092481
1993	91.88709761569363
1994	92.08385942577951
1995	92.81294381345239
1996	91.89991290386129
1997	93.07473778878574
1998	97.83739836829291
1999	89.34623545419082
2000	90.94103386554447
2001	90.1815634696364
2002	97.11577875153462
2003	96.19634297615583
2004	98.41269706711991
2005	101.90459092590429
2006	94.30088758469887
2007	102.75892685242508
2008	104.03552888168888
2009	106.40082391249459
2010	98.69601045905038
2011	91.3896179634611
2012	88.82942914087795
2013	96.55970703134248
2014	98.42065729678306
2015	100.19280529585697
2016	96.14579784747829
2017	95.47602012876301
2018	97.31146905149942
2019	92.78691427471152
2020	92.28475863251283
2021	109.04111101339555