Year	% of GDP
1984	15.112552010358298
1985	13.955236164084434
1986	16.000289058878785
1987	16.282581730617277
1988	15.24768859696574
1989	15.450144791576525
1990	15.80241910655101
1991	15.828044582583825
1992	18.570093455067493
1993	19.49908597879495
1994	21.29848002945432
1995	19.641786556800664
1996	20.951129026035428
1997	19.979556360366402
1998	20.911366698674982
1999	20.913446341283734
2000	21.632859093557457
2001	21.74434751209762
2002	21.64475079179948
2003	22.45500560160987
2004	23.139667797218486
2005	23.36692288173281
2006	23.690455545872727
2007	23.579653158444323
2008	23.32065859116114
2009	23.03677918677668
2010	23.259648937351816
2011	23.476231282563905
2012	22.92387539771269
2013	24.34583541259507
2014	24.850105273032394
2015	25.239977799936863
2016	26.520705972893676
2017	27.21487574772732
2018	27.663577252521815
2019	27.792380389003135
2020	26.612843333081866
2021	27.10314544086349
2022	27.375467857342944
2023	25.3609450913665