Year	% of GDP
1972	0.7444646081284146
1973	0.6553650238772695
1974	0.6587530138553792
1975	0.7454937544221008
1976	0.7136351518863391
1977	0.7016790628272688
1978	0.6612557226917638
1979	0.6313607406405125
1980	0.6429517462050551
1981	0.6700864087160362
1982	0.6702101157282393
1983	0.683812566608566
1984	0.6483985244784222
1985	0.6247152882202707
1986	0.5899244686216402
1987	0.6763042007816512
1988	0.6208284815828686
1989	0.6186105943411072
1990	0.6427694774700871
1991	0.6963202484190953
1992	0.6768499876648658
1993	0.6394397050531243
1994	0.6617547529553378
1995	0.9020557452079946
1996	0.8945447043144492
1997	0.8036782250019722
1998	0.8903964385883619
1999	0.9665866903055617
2000	0.6086343098578878
2001	1.2943548727638203
2002	1.34765821060132
2003	1.4245098523512998
2004	1.4453100676346504
2005	1.425749187127809
2006	1.3348203105031147
2007	1.370555780483645
2008	1.4208706904460626
2009	1.584956469328572
2010	1.5193255879277041
2011	1.4304372145805209
2012	1.3741026349353798
2013	1.3069890227240077
2014	1.2528727262581296
2015	1.1640333436498262
2016	1.1964944810515785