Year	Percent of GDP
1960-01-01	11.92226538370280
1961-01-01	10.58332620544310
1962-01-01	10.67136803738750
1963-01-01	10.74435279281130
1964-01-01	11.67741432596040
1965-01-01	12.37311998238200
1966-01-01	11.12322137342520
1967-01-01	10.87040394466340
1968-01-01	11.04906579157380
1969-01-01	10.19609401816570
1970-01-01	10.30279176173060
1971-01-01	9.53081371267588
1972-01-01	8.20050840700963
1973-01-01	8.59824397585456
1974-01-01	11.52996896375990
1975-01-01	9.77686093284270
1976-01-01	9.96440116216198
1977-01-01	11.03376368248720
1978-01-01	11.10858343589760
1979-01-01	11.58554173394190
1980-01-01	12.30226280580600
1981-01-01	12.48765006088630
1982-01-01	12.62759344709040
1983-01-01	10.31150324532830
1984-01-01	11.47333213467910
1985-01-01	13.26675619436420
1986-01-01	13.15580859430850
1987-01-01	12.65375588015740
1988-01-01	12.25119448189340
1989-01-01	13.32141677793330
1990-01-01	12.01973215590060
1991-01-01	11.92793550851180
1992-01-01	12.74581684043490
1993-01-01	13.71223400451380
1994-01-01	14.12521004534160
1995-01-01	15.23403304111300
1996-01-01	14.41869742906930
1997-01-01	14.55181583342510
1998-01-01	15.98019984539590
1999-01-01	15.89034190050220
2000-01-01	17.04432319579420
2001-01-01	16.16315970309720
2002-01-01	16.34789345251090
2003-01-01	15.74023989136330
2004-01-01	15.74100612675910
2005-01-01	16.23378300093760
2006-01-01	17.05684137817620
2007-01-01	16.62701113498880
2008-01-01	18.20554210988490
2009-01-01	15.92359760722300
2010-01-01	15.46428916332470
2011-01-01	15.49200228751610
2012-01-01	15.99483081587740
2013-01-01	15.36249562842400
2014-01-01	15.67671674058050
2015-01-01	16.27506416821910
2016-01-01	14.99693195617840
2017-01-01	16.02729716363840