Year	Percent
1960-01-01	-0.0389741990030651
1961-01-01	-2.6824703680742300
1962-01-01	0.0961538463947580
1963-01-01	1.5690041625892900
1964-01-01	1.7575662040575400
1965-01-01	0.4569746729170880
1966-01-01	-1.1873554359337800
1967-01-01	1.4669163547238000
1968-01-01	2.5376807134879600
1969-01-01	-0.1949902500381720
1970-01-01	2.8178539220851200
1971-01-01	0.4458086676924600
1972-01-01	1.5352153667887900
1973-01-01	6.3919742031182900
1974-01-01	16.8990368422354000
1975-01-01	19.0884996543863000
1976-01-01	7.0346896319882600
1977-01-01	11.8202775391489000
1978-01-01	13.2751232921383000
1979-01-01	14.0560247361062000
1980-01-01	17.3669682564025000
1981-01-01	14.7971516299733000
1982-01-01	11.7288868654679000
1983-01-01	13.3143177303524000
1984-01-01	11.5071695057308000
1985-01-01	22.3283750554416000
1986-01-01	31.9350161472763000
1987-01-01	24.8645003373125000
1988-01-01	19.7611617858857000
1989-01-01	17.6340799385345000
1990-01-01	23.9991651130861000
1991-01-01	14.4026748806266000
1992-01-01	11.2144813801986000
1993-01-01	18.5066883302714000
1994-01-01	10.5858066526451000
1995-01-01	10.0296564501018000
1996-01-01	9.7889204017996600
1997-01-01	4.4901362785520200
1998-01-01	2.5470597755415200
1999-01-01	0.5148271301929770
2000-01-01	2.2712875682872200
2001-01-01	3.7508205747202000
2002-01-01	1.8655250361007700
2003-01-01	2.1203909173333300
2004-01-01	4.4519439239504200
2005-01-01	4.6909487090377000
2006-01-01	4.0371235942961100
2007-01-01	4.5780857237715300
2008-01-01	6.7079229351593900
2009-01-01	1.0559502973120100
2010-01-01	0.9078069370523120
2011-01-01	5.1289237668161600
2012-01-01	1.7295779948876400
2013-01-01	0.7925093147977680
2014-01-01	1.1057751131775500
2015-01-01	-0.7306336696567910
2016-01-01	0.6040490869966820
2017-01-01	1.0123540331557300