Year	Percent Change from Year Ago
1997-01-01	3.394855692163600
1998-01-01	0.338099248246881
1999-01-01	0.467923546349938
2000-01-01	4.387959656331320
2001-01-01	1.389893878605310
2002-01-01	3.053468966015450
2003-01-01	1.140823045588520
2004-01-01	5.759965230274100
2005-01-01	3.202135212660850
2006-01-01	3.961991000193240
2007-01-01	6.069867687612510
2008-01-01	5.094197990223890
2009-01-01	-0.125806431326152
2010-01-01	7.528213304767420
2011-01-01	3.974434278332220
2012-01-01	1.921167220961120
2013-01-01	3.004822736934410
2014-01-01	0.503953743453154
2015-01-01	-3.545767295236840
2016-01-01	-3.462716227433940
2017-01-01	0.985448530821276