Year	Percent
1994-01-01	1.530990000000000
1995-01-01	3.226250000000000
1996-01-01	4.158919999999999
1997-01-01	4.703869999999999
1998-01-01	5.170040000000000
1999-01-01	5.737350000000000
2000-01-01	6.714550000000000
2001-01-01	6.863550000000000
2002-01-01	6.683320000000000
2003-01-01	6.931180000000000
2004-01-01	6.170910000000000
2005-01-01	5.724250000000000
2006-01-01	7.140180000000000
2007-01-01	9.289800000000000
2008-01-01	9.775739999999999
2009-01-01	10.792600000000000
2010-01-01	12.669100000000000
2011-01-01	12.808800000000000