Year	% of GDP
1977	26.3283673583219
1978	25.1758663441574
1979	23.3054595878143
1980	24.1578004517725
1981	24.0523782953934
1982	23.2658878582256
1983	21.4030650345733
1984	20.6812777053951
1985	24.2168321848982
1986	30.0224064278912
1987	32.5117312004983
1988	33.3305485794548
1989	37.8215311244767
1990	36.0575338369665
1991	35.4070943984352
1992	37.6173287612672
1993	49.4494334620174
1994	47.2317273407588
1995	47.3321991137674
1996	49.993292356648
1997	55.5239298806533
1998	56.8697086739477
1999	59.002157096531
2000	62.5581236017041
2001	63.0805181869931
2002	61.4322462863877
2003	58.4647454422207
2004	61.6179867190086
2005	57.9510649627263
2006	64.8766668373539
2007	68.7935247685599
2008	70.0770486884809
2009	79.377116503493
2010	83.9799398580034
2011	84.8760208716829
2012	82.8048136761002
2013	74.2566602346301
2014	65.2063355329454
2015	57.3214285714286
2016	53.7227840903144
2017	51.0669057528748
2018	50.6457030915135
2019	49.5470652329837
2020	59.3971695400769
2021	57.2866115135442
2022	53.6050823261835
2023	51.6080883834161