Year	% of GDP
1980	35.24069162203473
1981	39.25712826310025
1982	29.43575332744005
1983	23.66983022732085
1984	21.625354387459726
1985	22.04476688535885
1986	22.899554021513076
1987	20.26334586776788
1988	16.267686767962875
1989	17.077257770542534
1990	18.08350295103962
1991	18.498892922330732
1992	16.084786522044098
1993	19.97041811006764
1994	17.808126084518612
1995	18.044977638904122
1996	19.82860539107468
1997	20.075299539895052
1998	25.542179916638997
1999	26.073151798656173
2000	20.953886407533385
2001	20.862155239367556
2002	23.47976386621972
2003	27.797433027033318
2004	29.771180191859116
2005	23.448585903207665
2006	23.213845974592218
2007	21.76742454678636
2008	26.736991394328857
2009	23.6344308918151
2010	22.44196277946745
2011	24.567632814354727
2012	21.919072090827008
2013	24.016645568284762
2014	22.664497575704992
2015	24.814484294729304
2016	23.38644709874701
2017	24.253782864524208
2018	23.5044817818138
2019	24.114681422549626
2020	23.177961355298365
2021	25.433777438886167
2022	26.518071817950727
2023	20.704844026375017
