Year	Percent Change from Year Ago
1961-01-01	6.882402490386370
1962-01-01	3.838887015731770
1963-01-01	9.190422968929790
1964-01-01	9.459345518591720
1965-01-01	7.183726681940100
1966-01-01	11.983500984371900
1967-01-01	9.116916329817130
1968-01-01	13.188626102743000
1969-01-01	14.541232281683500
1970-01-01	9.997388679878490
1971-01-01	10.454545454545500
1972-01-01	7.150992003747190
1973-01-01	14.827286023138500
1974-01-01	9.460883752549280
1975-01-01	7.863519470247100
1976-01-01	13.115263046860800
1977-01-01	12.277661224117500
1978-01-01	10.774563907941900
1979-01-01	8.625626740582270
1980-01-01	-1.701335786404370
1981-01-01	7.180510839235880
1982-01-01	8.265078481397960
1983-01-01	13.242003582090800
1984-01-01	10.442864443205100
1985-01-01	7.749691530179340
1986-01-01	11.224086421602600
1987-01-01	12.467266052988500
1988-01-01	11.904718610782800
1989-01-01	7.029682000181540
1990-01-01	9.811232251654040
1991-01-01	10.353977660076500
1992-01-01	6.175462485754570
1993-01-01	6.846807734967580
1994-01-01	9.206120721744770
1995-01-01	9.570586696887830
1996-01-01	7.594526210131350
1997-01-01	5.922170675302770
1998-01-01	-5.471192097548600
1999-01-01	11.308605052850100
2000-01-01	8.924412764391050
2001-01-01	4.525319497487750
2002-01-01	7.432433613698070
2003-01-01	2.933207053036640
2004-01-01	4.899851506556580
2005-01-01	3.923687439696950
2006-01-01	5.176133981787000
2007-01-01	5.463406087622280
2008-01-01	2.829214457382720
2009-01-01	0.707518482607593
2010-01-01	6.496793585555120
2011-01-01	3.681696472321380
2012-01-01	2.292382426368980
2013-01-01	2.896212602640420
2014-01-01	3.341440519292500
2015-01-01	2.790236362682020
2016-01-01	2.929318629642630
2017-01-01	3.062755012385790