Year	% of GDP
1981	46.966329966329965
1982	43.43194940885345
1983	45.50084558345258
1984	46.634603602499695
1985	53.708501529051986
1986	56.01717147626998
1987	60.69814223168856
1988	63.78156359393232
1989	59.862875
1990	79.72432684462059
1996	10.990981497580723
1997	8.292438068870318
1998	11.66792316193657
1999	7.987189440993789
2000	7.125224580237434
2001	8.653376567619093
2002	10.089858509307389
2003	14.132268119234503
2004	15.78192827364447
2005	20.058254860614113
2006	26.005425621115023
2007	33.99995466900764
2008	35.9147042445964
2009	37.0098828571181
2010	38.29388654565684
2011	37.43462818345878
2012	35.95744414115825
2013	34.171333037102904
2014	31.087089443879318
2015	29.90402440650649
2016	28.559106536966883
2017	26.668488646516746
2018	25.530756372968245
2019	24.62326843922689
2020	25.77886731028548
2021	26.420544520691376
2022	24.920606237477212
2023	23.038134964126296