Year	% of GDP
1977	27.586507790779308
1978	27.149642584240794
1979	32.16391529721944
1980	34.42542593459563
1981	36.569697338620706
1982	38.8019391143692
1983	43.420503972878734
1984	46.883204630850315
1985	51.017491608966985
1986	57.747924477679334
1987	60.14053901197436
1988	58.96368088314686
1989	62.69443230173943
1990	66.92166282130029
1991	71.20343792085481
1992	76.43975129659134
1993	81.83128089371027
1994	81.8534692876915
1995	84.7596218618663
1996	90.3464988068566
1997	99.95006815534704
1998	111.77607838141024
1999	117.76888555689695
2000	118.48293102293823
2001	125.51502632946652
2002	127.06538933612748
2003	132.21956886790653
2004	130.10321484659852
2005	130.8399350026707
2006	135.39851745033346
2007	130.6640885480025
2008	130.84747165018516
2009	153.7780207038164
2010	151.8589397282491
2011	152.21793233580578
2012	158.85575541506418
2013	165.7730169031934
2014	170.90743609924533
2015	181.7072598548446
2016	185.72194714237466
2017	180.7138382818698
2018	176.52912858097883
2019	178.34102327397426
2020	193.49553687515453
2021	188.73469404821046
2022	198.16519240547873
2023	210.77329944119765