Year	% of GDP
1960	-24.696356275303643
1961	-29.01960784313726
1962	-26.421404682274247
1963	-27.380952380952383
1964	-24.528301886792452
1965	-26.27551020408163
1966	-35.55555555555556
1967	-33.07347035199622
1968	-30.758714969241286
1969	-26.31578947368421
1970	-26.476578411405292
1971	-32.90676416819013
1972	-41.80064308681672
1973	-39.23900118906064
1974	-50.73170731707317
1975	-71.42857142857143
1976	-86.44859813084112
1977	-76.74003569303986
1978	-48.31751509922347
1979	-68.76790830945558
1980	-52.03787563225231
1981	-60.117427821522305
2007	-33.626826860639405
2008	-27.308181923142723
2009	-38.82985916191083
2010	-34.54872697069128
2011	-29.01927341492754
2012	-30.896112450715197
2013	-24.199414834351668
2014	-15.896266428571298
2015	-13.502530921289827
2016	-15.979910799278585
2017	-29.20728855433688
2018	-23.321453109094033
2019	-21.30347068815081
2020	-26.182472212914266
2021	-19.323069729784596
2022	-22.83365536960138