Year	Percent Change from Year Ago
1960-01-01	2.573444503807520
1961-01-01	2.563703984153860
1962-01-01	6.127078976837980
1963-01-01	4.355043958439410
1964-01-01	5.761261666648540
1965-01-01	6.497755075959200
1966-01-01	6.596014301745160
1967-01-01	2.742505206537400
1968-01-01	4.915603709744620
1969-01-01	3.124841706192190
1970-01-01	0.186045636370349
1971-01-01	3.293362711704910
1972-01-01	5.258900760012390
1973-01-01	5.645719732206130
1974-01-01	-0.540542156305500
1975-01-01	-0.205464013301586
1976-01-01	5.388139227255760
1977-01-01	4.624167611504120
1978-01-01	5.535298232118070
1979-01-01	3.166146344623310
1980-01-01	-0.256755620091556
1981-01-01	2.537726188192250
1982-01-01	-1.802877995079940
1983-01-01	4.583923642304060
1984-01-01	7.236627273833670
1985-01-01	4.169652541892400
1986-01-01	3.462645423750310
1987-01-01	3.459578844503080
1988-01-01	4.177055195694050
1989-01-01	3.672647560007820
1990-01-01	1.885960322162400
1991-01-01	-0.108261774552423
1992-01-01	3.522442588294170
1993-01-01	2.752852142100600
1994-01-01	4.028831324717050
1995-01-01	2.684284781689110
1996-01-01	3.772503848778600
1997-01-01	4.447220975837520
1998-01-01	4.481405287864640
1999-01-01	4.753238065594570
2000-01-01	4.127477983857290
2001-01-01	0.998346544640814
2002-01-01	1.741697102285070
2003-01-01	2.861203250010420
2004-01-01	3.798898468300800
2005-01-01	3.513208468538150
2006-01-01	2.854972339915660
2007-01-01	1.876176378387990
2008-01-01	-0.136579801030077
2009-01-01	-2.536758586162010
2010-01-01	2.563768159942960
2011-01-01	1.550833853487060
2012-01-01	2.249547395084780
2013-01-01	1.842081014039160
2014-01-01	2.451969930106760
2015-01-01	2.880910465909390
2016-01-01	1.567218045977680
2017-01-01	2.217010267318360