Year	% of GDP
1981	65.3048895896573
1982	65.56017601094123
1983	54.149776686055226
1984	53.95750491748695
1985	58.61729662488039
1986	59.60744528601053
1987	47.45193655483545
1988	43.69112993054361
1989	44.62306257171113
1990	27.134798154094632
1991	28.90570861335503
1992	23.949218134286607
1993	19.665397608218164
1994	17.798965543055765
1995	22.89484679544839
1996	24.536942545609502
1997	23.0401284783969
1998	29.015998925468317
1999	29.93417203653409
2000	25.20263292195482
2001	21.537532362858663
2002	22.14658371696652
2003	29.120342815146184
2004	27.8191823685973
2005	27.93802786989647
2006	33.30225474823003
2007	35.10882265537194
2008	36.215045480317556
2009	28.888994389192955
2010	34.48631900880435
2011	48.41232991933042
2012	45.116278240951516
2013	39.26364518998711
2014	28.573758448956905
2015	18.276900812992366
2016	18.66465983885435
2017	22.3489597718333
2018	26.845427104115416
2019	27.98345509407032
2020	23.578178236919403
2021	26.835343606284233
2022	29.813559943485004
2023	27.379859750161074