Year	% of GDP
1978	3.805523524887259
1979	11.382899580864544
1980	16.35490987511907
1981	24.28969515783484
1982	19.86790934728549
1983	10.041405853702154
1984	12.137083046865934
1985	22.880755781329945
1986	29.350054362051818
1987	42.297488146994944
1988	30.114742580492386
1989	17.457103696586486
1990	21.853656919655055
1991	8.751055105719432
1992	11.703743206586301
1993	-0.15817787240445083
1994	-2.3392145718540114
1995	9.453100057754662
1996	-3.3115796584465134
1997	7.538910136069518
2003	9.793371900999507
2004	6.049969243873194
2005	3.581799191552203
2006	11.746923496707277
2007	9.251759546825115
2008	0.3212820144372958
2009	5.307848638977904
2010	-0.3532099913808033
2011	6.286636727150348
2012	15.721865931080782
2013	5.587754676537207
2014	11.409748316487207
2015	18.8923575374895
2016	19.912907200700722
2017	18.683428332396854
2018	15.676238113923818
2019	15.361950613917145
2020	21.92816180469095
2021	24.01912493371962
2022	28.34897553078628