Year	% of GDP
1979	3.671842654659293
1980	4.827584280527296
1981	5.483873614675484
1982	7.812501566362593
1983	7.352941196639249
1984	6.41025526076416
1985	15.694593759572365
1986	15.776921616455276
1987	17.345238581652428
1988	10.593875388841715
1989	11.039586661960044
1990	14.019152443122854
1991	14.673587370985583
1992	9.764282987047904
1993	10.313792928101151
1994	10.2576101767067
2005	0
2006	11.577641621239602
2007	10.097048565726036
2008	9.791202184849235
2009	10.006470776561564
2010	9.478315084532184
2011	8.68976933595768
2012	8.519575309051493
2013	8.55143652183321
2014	8.185815228986272
2015	7.333024454138197
2016	7.884966847329839
2017	8.052527596887476
2018	8.542808684084909
2019	9.255866339005824
2020	6.6896285321220175
2021	4.618966820830125
2022	10.483186607527985
2023	5.375682142857143