May
AL KY KY MS NC NC TN TN GOV'T
TAX-FREE TAX-FREE SHORT- TAX-FREE TAX-FREE SHORT- TAX-FREE SHORT- BOND
INCOME INCOME TO- INCOME INCOME TO- INCOME TO- SERIES
SERIES SERIES MEDIUM SERIES SERIES MEDIUM SERIES MEDIUM
SERIES SERIES SERIES
05/08/08 11.56 7.49 5.22 11.25 10.76 10.51 10.91 10.42 10.06
05/07/08 11.54 7.47 5.21 11.21 10.73 10.49 10.89 10.40 10.03
05/06/08 11.54 7.47 5.21 11.21 10.72 10.49 10.89 10.40 10.02
05/05/08 11.54 7.47 5.21 11.21 10.72 10.49 10.89 10.40 10.03
05/02/08 11.54 7.47 5.21 11.21 10.72 10.49 10.89 10.40 10.04
05/01/08 11.55 7.48 5.22 11.24 10.74 10.50 10.90 10.41 10.07
April
AL KY KY MS NC NC TN TN GOV'T
TAX-FREE TAX-FREE SHORT- TAX-FREE TAX-FREE SHORT- TAX-FREE SHORT- BOND
INCOME INCOME TO- INCOME INCOME TO- INCOME TO- SERIES
SERIES SERIES MEDIUM SERIES SERIES MEDIUM SERIES MEDIUM
SERIES SERIES SERIES
04/30/08 11.54 7.47 5.22 11.22 10.73 10.49 10.89 10.41 10.08
04/29/08 11.53 7.47 5.22 11.22 10.72 10.49 10.88 10.41 10.04
04/28/08 11.52 7.46 5.21 11.20 10.71 10.49 10.87 10.40 10.04
04/25/08 11.52 7.46 5.21 11.20 10.71 10.49 10.87 10.40 10.01
04/24/08 11.53 7.47 5.22 11.21 10.72 10.50 10.88 10.41 10.03
04/23/08 11.56 7.49 5.23 11.26 10.75 10.52 10.91 10.43 10.08
04/22/08 11.57 7.50 5.23 11.27 10.76 10.53 10.92 10.43 10.08
04/21/08 11.57 7.49 5.24 11.26 10.76 10.53 10.92 10.44 10.08
04/18/08 11.57 7.49 5.24 11.26 10.76 10.53 10.92 10.44 10.06
04/17/08 11.59 7.51 5.24 11.29 10.78 10.54 10.94 10.45 10.06
04/16/08 11.60 7.52 5.25 11.30 10.79 10.55 10.95 10.45 10.08
04/15/08 11.61 7.53 5.25 11.32 10.81 10.56 10.96 10.45 10.14
04/14/08 11.61 7.53 5.25 11.33 10.81 10.55 10.97 10.45 10.17
04/11/08 11.61 7.53 5.25 11.33 10.81 10.55 10.97 10.45 10.18
04/10/08 11.58 7.50 5.24 11.28 10.77 10.53 10.93 10.47 10.15
04/09/08 11.58 7.50 5.23 11.28 10.78 10.53 10.93 10.47 10.19
04/08/08 11.52 7.46 5.23 11.20 10.71 10.50 10.87 10.46 10.14
04/07/08 11.48 7.45 5.22 11.16 10.67 10.50 10.84 10.46 10.14
04/04/08 11.49 7.45 5.23 11.17 10.68 10.51 10.84 10.46 10.17
04/03/08 11.43 7.42 5.21 11.10 10.62 10.48 10.79 10.44 10.13
04/02/08 11.40 7.40 5.21 11.07 10.59 10.47 10.75 10.44 10.14
04/01/08 11.39 7.40 5.21 11.08 10.60 10.48 10.75 10.44 10.13
March
AL KY KY MS NC NC TN TN GOV'T
TAX-FREE TAX-FREE SHORT- TAX-FREE TAX-FREE SHORT- TAX-FREE SHORT- BOND
INCOME INCOME TO- INCOME INCOME TO- INCOME TO- SERIES
SERIES SERIES MEDIUM SERIES SERIES MEDIUM SERIES MEDIUM
SERIES SERIES SERIES
03/31/08 11.42 7.42 5.22 11.10 10.62 10.50 10.77 10.45 10.17
03/28/08 11.41 7.41 5.22 11.09 10.61 10.50 10.76 10.45 10.16
03/27/08 11.38 7.40 5.22 11.07 10.58 10.50 10.73 10.45 10.13
03/26/08 11.40 7.41 5.22 11.09 10.60 10.51 10.75 10.46 10.14
03/25/08 11.41 7.41 5.23 11.09 10.60 10.51 10.75 10.47 10.14
03/24/08 11.41 7.41 5.23 11.09 10.60 10.52 10.76 10.47 10.13
03/21/08 --- --- --- --- --- --- --- --- ---
03/20/08 11.44 7.43 5.24 11.13 10.64 10.53 10.80 10.49 10.20
03/19/08 11.43 7.42 5.23 11.11 10.63 10.52 10.79 10.48 10.20
03/18/08 11.43 7.41 5.23 11.12 10.62 10.52 10.79 10.47 10.14
03/17/08 11.44 7.42 5.23 11.13 10.63 10.52 10.80 10.48 10.16
03/14/08 11.43 7.41 5.23 11.12 10.62 10.52 10.79 10.47 10.13
03/13/08 11.41 7.40 5.22 11.10 10.60 10.51 10.77 10.46 10.10
03/12/08 11.42 7.41 5.22 11.11 10.62 10.51 10.78 10.47 10.12
03/11/08 11.43 7.42 5.23 11.10 10.61 10.52 10.78 10.47 10.07
03/10/08 11.46 7.44 5.24 11.14 10.65 10.54 10.82 10.49 10.13
03/07/08 11.45 7.43 5.23 11.13 10.64 10.53 10.82 10.48 10.11
03/06/08 11.40 7.39 5.21 11.06 10.59 10.49 10.77 10.44 10.12
03/05/08 11.31 7.34 5.19 10.97 10.52 10.45 10.71 10.41 10.10
03/04/08 11.28 7.31 5.17 10.87 10.47 10.42 10.67 10.38 10.14
03/03/08 11.10 7.22 5.14 10.69 10.31 10.37 10.52 10.34 10.15
February
AL KY KY MS NC NC TN TN GOV'T
TAX-FREE TAX-FREE SHORT- TAX-FREE TAX-FREE SHORT- TAX-FREE SHORT- BOND
INCOME INCOME TO- INCOME INCOME TO- INCOME TO- SERIES
SERIES SERIES MEDIUM SERIES SERIES MEDIUM SERIES MEDIUM
SERIES SERIES SERIES
02/29/08 11.08 7.21 5.14 10.68 10.30 10.37 10.51 10.34 10.15
02/28/08 11.19 7.27 5.16 10.78 10.39 10.41 10.59 10.37 10.10
02/27/08 11.32 7.34 5.18 10.92 10.51 10.44 10.69 10.40 10.05
02/26/08 11.42 7.40 5.20 11.04 10.60 10.48 10.76 10.44 10.05
02/25/08 11.46 7.42 5.22 11.09 10.64 10.50 10.80 10.46 10.03
02/22/08 11.53 7.46 5.23 11.16 10.70 10.53 10.86 10.48 10.08
02/21/08 11.55 7.48 5.25 11.20 10.72 10.55 10.88 10.50 10.09
02/20/08 11.57 7.50 5.26 11.22 10.75 10.57 10.91 10.52 10.04
02/19/08 11.59 7.52 5.27 11.23 10.76 10.59 10.92 10.54 10.04
02/18/08 --- --- --- --- --- --- --- --- ---
02/15/08 11.63 7.53 5.28 11.27 10.80 10.62 10.96 10.57 10.08
02/14/08 11.65 7.54 5.29 11.30 10.82 10.62 10.98 10.58 10.09
02/13/08 11.71 7.57 5.30 11.37 10.88 10.64 11.03 10.59 10.14
02/12/08 11.73 7.59 5.30 11.40 10.90 10.65 11.04 10.60 10.14
02/11/08 11.74 7.60 5.31 11.42 10.92 10.66 11.06 10.61 10.16
02/08/08 11.73 7.59 5.30 11.41 10.91 10.65 11.05 10.60 10.15
02/07/08 11.72 7.58 5.30 11.39 10.89 10.64 11.04 10.59 10.15
02/06/08 11.75 7.60 5.30 11.43 10.92 10.65 11.07 10.59 10.17
02/05/08 11.76 7.60 5.30 11.44 10.93 10.65 11.08 10.59 10.18
02/04/08 11.73 7.59 5.29 11.41 10.90 10.64 11.05 10.58 10.15
02/01/08 11.73 7.59 5.30 11.41 10.90 10.64 11.05 10.58 10.17
January
AL KY KY MS NC NC TN TN GOV'T
TAX-FREE TAX-FREE SHORT- TAX-FREE TAX-FREE SHORT- TAX-FREE SHORT- BOND
INCOME INCOME TO- INCOME INCOME TO- INCOME TO- SERIES
SERIES SERIES MEDIUM SERIES SERIES MEDIUM SERIES MEDIUM
SERIES SERIES SERIES
01/31/08 11.71 7.58 5.30 11.38 10.88 10.64 11.03 10.58 10.15
01/30/08 11.70 7.58 5.30 11.37 10.87 10.63 11.02 10.57 10.14
01/29/08 11.74 7.59 5.32 11.38 10.90 10.64 11.04 10.58 10.15
01/28/08 11.78 7.61 5.32 11.42 10.94 10.66 11.07 10.59 10.17
01/25/08 11.78 7.62 5.32 11.43 10.95 10.66 11.08 10.60 10.16
01/24/08 11.80 7.62 5.32 11.44 10.96 10.66 11.09 10.60 10.15
01/23/08 11.88 7.67 5.34 11.54 11.04 10.69 11.17 10.62 10.21
01/22/08 11.86 7.66 5.32 11.54 11.04 10.68 11.15 10.60 10.20
01/21/08 --- --- --- --- --- --- --- --- ---
01/18/08 11.84 7.64 5.30 11.51 11.02 10.64 11.13 10.56 10.16
01/17/08 11.85 7.64 5.29 11.52 11.02 10.63 11.14 10.55 10.16
01/16/08 11.84 7.64 5.29 11.50 11.01 10.62 11.12 10.54 10.14
01/15/08 11.83 7.63 5.28 11.51 11.00 10.60 11.11 10.53 10.14
01/14/08 11.81 7.62 5.27 11.48 10.98 10.59 11.09 10.52 10.12
01/11/08 11.80 7.61 5.27 11.47 10.97 10.58 11.09 10.52 10.11
01/10/08 11.80 7.61 5.27 11.46 10.97 10.58 11.08 10.51 10.09
01/09/08 11.81 7.61 5.27 11.47 10.98 10.57 11.09 10.51 10.10
01/08/08 11.78 7.59 5.26 11.45 10.96 10.55 11.06 10.49 10.10
01/07/08 11.77 7.59 5.25 11.44 10.95 10.54 11.05 10.48 10.10
01/04/08 11.76 7.57 5.24 11.42 10.94 10.53 11.04 10.47 10.10
01/03/08 11.72 7.55 5.23 11.38 10.90 10.51 11.01 10.45 10.09
01/02/08 11.73 7.55 5.23 11.41 10.91 10.51 11.01 10.45 10.09
01/01/08 --- --- --- --- --- --- --- --- ---
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