Year	% of GDP
1970	0.4994489238501038
1971	0.6445810859403093
1972	0.6970603871915496
1973	0.9274769102887752
1974	1.2746036348160314
1975	0.6681629397596941
1976	1.0332994137235314
1977	1.8509579996140602
1978	1.0528452974967386
1979	0.7553911584212506
1980	0.09282521800145276
1981	1.0503798722059372
1982	0.7183499847101911
1983	0.5393666880087159
1984	-0.2858617814653986
1985	-0.6484950935779006
1986	1.2945453645503435
1987	0.20168491260009833
1988	0.2756720978576947
1989	1.4715283342825407
1990	0.8364401498541763
1991	-0.29020151958919976
1992	-0.5106426255345532
1993	0.822301012103941
1994	2.1524152601220594
1995	1.5738821823236593
1996	2.340687950228809
1997	2.7979075460313934
1998	3.660675300568013
1999	3.585405018934677
2000	4.859558007430454
2001	1.8309388748659288
2002	1.5372764702286343
2003	1.8219900481286104
2004	1.8541560621843436
2005	3.2449854560720572
2006	3.4238699072230783
2007	6.160811203607361
2008	4.426208376916042
2009	2.2258474686507994
2010	5.018943987802639
2011	2.0536763577600943
2012	5.440562168514059
2013	-0.26018432075109127
2014	0.6462037882776762
2015	1.8739942325233714
2016	-5.032549751243458
2017	1.4687427806763131
2018	-1.2879640419164866
2019	3.9951340264107382
2020	-1.1159650340955483
2021	2.8168345288505114
2022	2.4212700982423696