Year	Percent
1969-01-01	0.064195000000000000
1970-01-01	0.064195000000000000
1971-01-01	0.086631000000000000
1972-01-01	0.441268999999999970
1973-01-01	0.437856000000000000
1974-01-01	0.338510000000000000
1975-01-01	1.210350000000000000
1976-01-01	1.035460000000000000
1977-01-01	0.417745000000000000
1978-01-01	0.416222999999999950
1979-01-01	0.175668000000000020
1980-01-01	0.280807000000000030
1981-01-01	1.172050000000000000
1982-01-01	0.459321000000000000
1983-01-01	0.286597000000000000
1984-01-01	0.339362000000000000
1985-01-01	0.243450000000000000
1986-01-01	0.604868000000000100
1987-01-01	0.204258000000000000
1988-01-01	0.348473999999999950
1989-01-01	0.100521000000000000
1990-01-01	0.229488000000000000
1991-01-01	0.675702000000000000
1992-01-01	0.415268999999999940
1993-01-01	0.106380999999999990
1994-01-01	-0.082852000000000000
1995-01-01	-0.123669000000000000
1996-01-01	0.549522000000000100
1997-01-01	-0.197143000000000000
1998-01-01	0.810999000000000000
1999-01-01	0.098361000000000000
2000-01-01	-0.033410000000000000
2001-01-01	1.085170000000000000
2002-01-01	0.379972000000000000
2003-01-01	0.592236000000000000
2004-01-01	0.700550000000000000
2005-01-01	0.823101000000000000
2006-01-01	1.161690000000000000
2007-01-01	1.118310000000000100
2008-01-01	-0.781535000000000100
2009-01-01	1.728840000000000200
2010-01-01	1.185830000000000000
2011-01-01	0.600006000000000000
2012-01-01	0.081237000000000000
2013-01-01	1.628920000000000100
2014-01-01	0.034457999999999996
2015-01-01	-0.147087000000000000
2016-01-01	-0.038417000000000000