Year	Percent Change from Year Ago
1962-01-01	7.413844894440050
1963-01-01	5.332294412956630
1964-01-01	6.620818245689890
1965-01-01	6.277039545216060
1966-01-01	6.668351903731640
1967-01-01	3.031031321961150
1968-01-01	4.931023820244240
1969-01-01	4.995740034576020
1970-01-01	2.877365922832990
1971-01-01	3.933554677348140
1972-01-01	5.473020796732980
1973-01-01	6.853237349763720
1974-01-01	3.261108509666350
1975-01-01	1.394841421369120
1976-01-01	5.865121980441140
1977-01-01	3.397674943267030
1978-01-01	3.742089225302910
1979-01-01	3.645048281038320
1980-01-01	2.139657674666600
1981-01-01	3.479186205315940
1982-01-01	-3.201963102728780
1983-01-01	2.598474627301980
1984-01-01	5.925385647110710
1985-01-01	4.734084255534610
1986-01-01	2.161816171594520
1987-01-01	4.096465662626610
1988-01-01	4.429428926912280
1989-01-01	2.323922645644480
1990-01-01	0.154346121176752
1991-01-01	-2.125693299542920
1992-01-01	0.882976477306242
1993-01-01	2.655262561803760
1994-01-01	4.493500409595020
1995-01-01	2.677708438641160
1996-01-01	1.611002018871010
1997-01-01	4.279882291520930
1998-01-01	3.881714881079420
1999-01-01	5.163191079513220
2000-01-01	5.182732096133840
2001-01-01	1.770781296172130
2002-01-01	3.010035990549560
2003-01-01	1.802273640288180
2004-01-01	3.085979456309740
2005-01-01	3.201382138674120
2006-01-01	2.623395978747520
2007-01-01	2.062764242565860
2008-01-01	1.000360971368840
2009-01-01	-2.949571911182020
2010-01-01	3.083465095302190
2011-01-01	3.141219990119240
2012-01-01	1.745518551594150
2013-01-01	2.475016470392940
2014-01-01	2.855709122682750
2015-01-01	1.000925142495820
2016-01-01	1.414073998279820
2017-01-01	3.047378013906900