Year	% of GDP
1972	0.4566008421985815
1973	0.027037363636363634
1974	1.3363028883014545
1975	5.018763386790774
1976	2.7004212634745923
1977	6.580936321811487
1978	6.380822166970028
1979	13.458533905901174
1980	4.880246132287155
1981	6.488321445373854
1982	-2.5355494732096817
1983	-1.018264102378164
1984	1.0143930765251903
1985	3.2274143310628194
1986	6.92779990057745
1987	9.635918711681521
1988	7.309478503258275
1989	9.640002011619032
1990	2.7010429672130853
1991	7.104250713142417
1992	6.795566807995719
1993	5.299231762045071
1994	4.457293565536546
1995	3.04629095204008
1996	1.3549184602958861
1997	-0.8920489290767055
1998	9.684798276436126
1999	6.34868014150225
2000	5.215944276678437
2001	1.9014921112843426
2002	6.489589609838026
2003	-2.738929854747281
2004	2.51191090932949
2005	-1.4426910531468733
2006	3.677271255939961
2007	1.0807070118900963
2008	3.209674209091081
2009	1.8351397806582797
2010	3.056264773379827
2011	2.047687133677402
2012	0.5418954946099646
2013	1.7789932758802478
2014	0.5829236987687847
2015	0.7751954205680829
2016	0.703667258804116
2017	-1.309289037352358
2018	0.6670989550807863
2019	2.846792290638881
2020	0.9740162540401394
2021	2.326715149270818
2022	0.2786571375091491