Year	Percent Change
1996-01-01	21.708757603099200
1997-01-01	17.648049915518800
1998-01-01	12.882470895569400
1999-01-01	5.216179579398750
2000-01-01	4.964416618926960
2001-01-01	0.940425104484164
2002-01-01	-3.185265477029330
2003-01-01	-3.181523595302880
2004-01-01	-2.902866425867940
2005-01-01	-0.275689932774110
2006-01-01	0.609113128142039
2007-01-01	3.198957677087370
2008-01-01	8.018799622356040
2009-01-01	1.365516849370330
2010-01-01	-0.832972374414229