Year	Percent
1995-01-01	251.16299999999998
1996-01-01	248.95100000000000
1997-01-01	455.42199999999997
1998-01-01	341.30500000000000
1999-01-01	288.86000000000000
2000-01-01	287.93500000000000
2001-01-01	290.14000000000000
2002-01-01	243.26400000000000
2003-01-01	189.34200000000000
2004-01-01	203.89600000000000
2005-01-01	324.91700000000003
2006-01-01	443.78500000000000
2007-01-01	412.78800000000000
2008-01-01	214.34099999999998
2009-01-01	256.19000000000000