Year	% of GDP
1975	1.651235003070815
1976	1.5458249526016126
1977	1.5835441188950536
1978	1.9800606764808264
1979	1.3790919175933525
1980	1.3438864636711696
1981	1.620548939615621
1982	1.4242529122635448
1983	2.5646794616584208
1984	2.5456472429457446
1985	6.259956614428348
1986	9.191846446830816
1987	15.480424770125785
1988	11.334362062620045
1989	13.687906044291848
1990	14.760510228377228
1991	11.321813415639843
1992	10.187456870189445
1993	14.333669201095711
1994	17.71034430851675
1995	15.423580055420318
1996	12.500821911957056
1997	30.91243537368927
1998	49.423671370649195
1999	60.2954597533396
2000	97.82845138756542
2001	75.3958071250196
2002	48.76058474954984
2003	45.717940283149964
2004	49.927078342973836
2005	50.22220937160011
2006	68.94330280029416
2007	96.0052360774701
2008	74.94281837074332
2009	45.54296208999275
2010	43.44049512220972
2011	39.50429277245239
2012	34.7280756774325
2013	35.0127568107064
2014	43.93060201729112