Year	Percent
1995-01-01	173.130999999999970
1996-01-01	203.852999999999980
1997-01-01	220.509000000000010
1998-01-01	233.990000000000000
1999-01-01	233.122000000000000
2000-01-01	237.028000000000000
2001-01-01	217.896000000000000
2002-01-01	228.157000000000000
2003-01-01	199.320000000000000
2004-01-01	198.290000000000000
2005-01-01	173.567999999999980
2006-01-01	154.271000000000020
2007-01-01	141.484000000000000
2008-01-01	20.302800000000000
2009-01-01	14.139000000000001
2010-01-01	12.146400000000000