Year	Percent of GDP
1960-01-01	-0.25
1961-01-01	-0.24
1962-01-01	-0.19
1963-01-01	-0.16
1964-01-01	-0.11
1965-01-01	-0.04
1966-01-01	-0.11
1967-01-01	-0.14
1968-01-01	-0.04
1969-01-01	-0.05
1970-01-01	-0.03
1971-01-01	0.08
1972-01-01	0.08
1973-01-01	0.07
1974-01-01	0.08
1975-01-01	0.21
1976-01-01	0.18
1977-01-01	0.18
1978-01-01	0.18
1979-01-01	0.11
1980-01-01	0.21
1981-01-01	0.37
1982-01-01	0.37
1983-01-01	0.26
1984-01-01	0.09
1985-01-01	0.01
1986-01-01	0.14
1987-01-01	0.16
1988-01-01	0.24
1989-01-01	0.43
1990-01-01	0.50
1991-01-01	0.74
1992-01-01	0.88
1993-01-01	0.90
1994-01-01	0.92
1995-01-01	1.01
1996-01-01	1.07
1997-01-01	1.05
1998-01-01	0.90
1999-01-01	0.76
2000-01-01	0.68
2001-01-01	0.57
2002-01-01	0.53
2003-01-01	0.45
2004-01-01	0.50
2005-01-01	0.58
2006-01-01	0.62
2007-01-01	0.85
2008-01-01	0.89
2009-01-01	0.88
2010-01-01	1.01
2011-01-01	1.21
2012-01-01	1.28
2013-01-01	1.37