State   2001    2002    2003    2004    2005    2006    2007
Alabama 5.6 5.71    5.88    6.08    6.46    7.07    7.57
Alaska  10.54   10.46   10.5    10.99   11.72   12.84   13.28
Arizona 7.27    7.21    7.34    7.45    7.79    8.24    8.54
Arkansas    6.05    5.61    5.57    5.67    6.3 6.99    6.96

State   Cost    Date
Alabama 5.6 12/31/2001
Alabama 5.71    12/31/2002
Alabama 5.88    12/31/2003
Alabama 6.08    12/31/2004
Alabama 6.46    12/31/2005
Alabama 7.07    12/31/2006
Alabama 7.57    12/31/2007
Alaska  10.54   12/31/2001
Alaska  10.46   12/31/2002
Alaska  10.5    12/31/2003
Alaska  10.99   12/31/2004
Alaska  11.72   12/31/2005
Alaska  12.84   12/31/2006
Alaska  13.28   12/31/2007
Arizona 7.27    12/31/2001
Arizona 7.21    12/31/2002
Arizona 7.34    12/31/2003
Arizona 7.45    12/31/2004
Arizona 7.79    12/31/2005
Arizona 8.24    12/31/2006
Arizona 8.54    12/31/2007
Arkansas    6.05    12/31/2001
Arkansas    5.61    12/31/2002
Arkansas    5.57    12/31/2003
Arkansas    5.67    12/31/2004
Arkansas    6.3 12/31/2005
Arkansas    6.99    12/31/2006
Arkansas    6.96    12/31/2007