Year	% of GDP
1970	10.123501855569751
1971	11.519320072313944
1972	7.947342291994716
1973	5.01222700320985
1974	5.8839923027803644
1975	3.8055927197554005
1976	5.285309708986516
1977	2.6616928643205933
1978	3.61654333862641
1979	2.038783991495559
1980	2.9593745836198155
1981	3.691079198248514
1982	2.4998720387137263
1983	1.5161273016567767
1984	1.4594188107643635
1985	0.016047811410538133
1986	-0.30301274623406765
1987	0.6907132931912925
1988	1.3989189781073414
1989	3.4441844010232447
1990	2.158874599563575
1991	3.19035755764985
1992	3.270164935699743
1993	8.121060491857572
1994	10.433666231905246
1995	5.609349894972904
1996	6.1706329700839895
1997	17.417060867315772
1998	12.07485755088374
1999	9.447813943402869
2000	8.332988116767194
2001	9.460759605832065
2002	11.187493089358679
2003	7.149642864168388
2004	7.515657550412777
2005	5.879635791771316
2006	4.805284165651474
2007	3.83520271627024
2008	10.048943265680553
2009	3.698591117172324
2010	2.4794714301894274
2011	0.16139439330595237
2012	-6.96680739398901
2013	-3.9357940451687448
2014	2.2269838421916326
2015	0.6542929586286116
2016	-0.09951298495752528
2017	-1.9587217221629822
2018	-2.8498654234515195
2019	0.7737830855181854
2020	5.074927447193009
2021	-3.8159801264274167
2022	-3.039577442548768