Year	% of GDP
1972	0.8761648267320247
1973	0.7770959208678424
1974	0.7979209127491101
1975	0.8620649268851617
1976	0.8397917487641858
1977	0.8556599366925597
1978	0.8077245839264843
1979	0.7595595828781632
1980	0.7759364093675544
1981	0.8324241277197458
1982	0.75204410794592
1983	0.7597622624088288
1984	0.7088052878064699
1985	0.7290211721399371
1986	0.7099064886942451
1987	0.7136600757442256
1988	0.657494473164109
1989	0.6606190054234304
1990	0.6967173115384498
1991	0.7438295032351085
1992	0.7164328121539286
1993	0.681681976402117
1994	0.7048730834128312
1995	0.9394906670348047
1996	0.9346016826853544
1997	0.8824773985499341
1998	0.898080363556641
1999	0.9370067862187395
2000	0.6104390343264671
2001	1.2948069751917946
2002	1.3325606166902046
2003	1.3925946873512767
2004	1.4167540525987359
2005	1.4156761358342849
2006	1.3359328917188373
2007	1.3945565851481445
2008	1.451981849752171
2009	1.591699936215191
2010	1.5366855177122998
2011	1.4635483347570781
2012	1.3779020511891371
2013	1.3262020806111527
2014	1.2815712788967142
2015	1.2162820188787735
2016	1.257776258528724