Year	Percent Change from Year Ago
1961-01-01	3.8447002850774200
1962-01-01	6.1780036929204800
1963-01-01	7.3736249906552600
1964-01-01	7.9396602634856900
1965-01-01	6.1228182294423200
1966-01-01	4.4383592365258800
1967-01-01	7.1965846295151100
1968-01-01	4.1533513962325000
1969-01-01	4.7159086500671100
1970-01-01	5.2486197646858500
1971-01-01	4.2789411076580300
1972-01-01	1.6548197209143900
1973-01-01	4.5719688948187000
1974-01-01	6.1110818418927400
1975-01-01	1.6954478914252600
1976-01-01	2.2498705246453900
1977-01-01	-0.0939889090817419
1978-01-01	3.0144830728964000
1979-01-01	3.7905050062991200
1980-01-01	6.6206098586997900
1981-01-01	5.3607733903319400
1982-01-01	-0.3833974209394410
1983-01-01	-1.8465508830798100
1984-01-01	5.0991280238334500
1985-01-01	-1.2115228454160800
1986-01-01	0.0178680543013234
1987-01-01	2.1007214942503500
1988-01-01	4.2001062088931800
1989-01-01	2.3947783539038900
1990-01-01	-0.3177613224382480
1991-01-01	-1.0182505097839600
1992-01-01	-2.1370389777928300
1993-01-01	1.2335453698308700
1994-01-01	3.2341050578965100
1995-01-01	3.1156767322953600
1996-01-01	4.3066977612849200
1997-01-01	2.6468181379759100
1998-01-01	0.5173659777554300
1999-01-01	2.3581245022849000
2000-01-01	4.1545552394045000
2001-01-01	2.7354643158868100
2002-01-01	3.6678274852371400
2003-01-01	2.9490778625725300
2004-01-01	4.5545415004496300
2005-01-01	5.2771171395668400
2006-01-01	5.6036782182958100
2007-01-01	5.3604651396161500
2008-01-01	3.1910516450526500
2009-01-01	-1.5381008639149400
2010-01-01	3.0397770627674700
2011-01-01	3.2841666796807900
2012-01-01	2.2133538563357200
2013-01-01	2.4851994664517900
2014-01-01	1.8469935399602600
2015-01-01	1.2795453993639300
2016-01-01	0.5653465926033440
2017-01-01	1.3167465030139900