Year	% of GDP
1972	1.2906556530717606
1973	1.088875809299588
1974	2.0924227584364705
1975	1.1376564277588168
1976	2.2211579747002674
1977	2.4896048536834123
1978	2.3600136596779153
1979	2.3415084786412854
1980	1.652856709036484
1981	1.7920635985509192
1982	2.1265100462657496
1983	1.7144160323840474
1984	1.042804025142385
1985	0.8066066116254973
1986	0.8109392003360102
1987	1.266000293704846
1988	1.5747411118140904
1989	1.6787194270377985
1990	1.3885303895508214
1991	1.0968458252278785
1992	0.9986142879011154
1993	1.652436823382512
1994	2.328104431957495
1995	1.6748168024249062
1996	1.3421316349744854
1997	1.0525000692288327
1998	1.152201571654554
1999	0.9460910144107983
2000	1.143209884485688
2001	1.5762559181430578
2002	1.2795183473454226
2003	1.198982705915899
2004	1.437154297522484
2005	1.303994455952652
2006	1.3942118257870801
2007	1.5249251472578846
2008	1.7757132278100762
2009	1.5191331553388885
2010	1.3325879357394492
2011	1.3976315386939009
2012	1.368434767191866
2013	1.3190765437093852
2014	1.2898751249026525
2015	1.1380798110063315
2016	1.2516077481186236