Year	Percent Change from Year Ago
1979-01-01	4.372495324605920
1980-01-01	4.564637974229930
1981-01-01	1.598230104743280
1982-01-01	0.235300672846983
1983-01-01	3.972842813283820
1984-01-01	6.052452857452490
1985-01-01	5.553345250812070
1986-01-01	4.042305736200360
1987-01-01	1.753329210139590
1988-01-01	-0.255321795080490
1989-01-01	1.038326014076190
1990-01-01	1.932449852790210
1991-01-01	3.084755861623680
1992-01-01	3.574424282688550
1993-01-01	2.845263868778470
1994-01-01	5.055386092081010
1995-01-01	4.153927595259440
1996-01-01	5.027986217306600
1997-01-01	5.284704446042370
1998-01-01	2.624383859635020
1999-01-01	2.013372866365350
2000-01-01	3.205212171119280
2001-01-01	2.085356491282920
2002-01-01	1.437730150418600
2003-01-01	0.919829879380114
2004-01-01	3.959054548705620
2005-01-01	2.624689394314170
2006-01-01	2.395078803294880
2007-01-01	2.985082734081270
2008-01-01	0.480778190469459
2009-01-01	-1.691032067424310
2010-01-01	0.691600448655722
2011-01-01	0.972033188273101
2012-01-01	2.721547395390950
2013-01-01	1.044432075786150
2014-01-01	1.975084514444220
2015-01-01	1.970107190052690
2016-01-01	1.187370527207720
2017-01-01	1.980350059644830