Year	Percent
1998-01-01	0.000000
1999-01-01	3.891632
2000-01-01	0.000000
2001-01-01	553.017800
2002-01-01	526.768800
2003-01-01	531.411400
2004-01-01	620.060600
2005-01-01	658.604500
2006-01-01	746.687100
2007-01-01	885.671400