Average annual total returns (%) | 1 Year | 5 Year | 10 Year | |||||||||||
as of 12-31-11 | ||||||||||||||
Class A before tax | 6.70 | 3.56 | 4.51 | |||||||||||
After tax on distributions
|
6.68 | 3.53 | 4.49 | |||||||||||
After tax on distributions, with sale
|
5.78 | 3.60 | 4.46 | |||||||||||
Class B before tax | 5.91 | 3.44 | 4.41 | |||||||||||
Class C before tax | 9.91 | 3.79 | 4.26 | |||||||||||
Barclays Massachusetts Municipal Bond Index*1 | 10.52 | 5.58 | | |||||||||||
Barclays Municipal Bond Index* | 10.70 | 5.22 | 5.38 | |||||||||||
* | Prior to December 14, 2012, the fund compared its performance solely to the Barclays Municipal Bond Index. After this date, the fund added the Barclays Massachusetts Municipal Bond Index as the primary benchmark index and retained the Barclays Municipal Bond Index as the secondary benchmark index to which the fund compares its performance to better reflect the universe of investment opportunities based on the funds investment strategy. | |
1 | Total return for index is not available for the 10-year period. |