Year	% of GDP
1976	18.003104025432727
1977	16.699788456056442
1978	18.036160090582705
1979	20.088955488033292
1980	19.062553697813183
1981	18.668902915035716
1982	19.773524216563665
1983	19.389222864602793
1984	18.495407206856402
1985	18.750983328794206
1986	18.071612317600835
1987	19.63833394973775
1988	25.78342800891726
1989	21.407943361589947
1990	20.620245651399408
1991	17.221959907157917
1992	20.195821891249057
1993	23.249001787474544
1994	23.207574367450544
1995	21.41596151561906
1996	19.788835316638654
1997	18.29283687237526
1998	17.673950256771708
1999	17.339192674843286
2000	17.830079854012588
2001	18.849387897957516
2002	17.044967007808356
2003	15.825536145323568
2004	17.243204017577813
2005	18.540034882317435
2006	18.951311516253554
2007	19.22649882377245
2008	20.25050662543136
2009	18.88331413223534
2010	19.188259947928152
2011	16.200370496907627
2012	17.485418906929453
2013	16.70918476046302
2014	16.18017181985629
2015	13.915472004026624
2016	14.110856700628593
2017	14.99752478887185
2018	24.456220719591116
2019	25.813414216260423
2020	18.04645190150845
2021	20.39380054768386
2022	26.514636824330324