Average Annual Total Returns [further-information] As of 03/31/2020

Month EndAs of 05/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 04/03/1985
Fund without Sales Charge (%) (NAV) 4.16 3.46 3.47 3.78 5.54
Fund with Sales Charge (%) (POP) 4.16 3.46 3.47 3.78 5.54
Bloomberg Barclays Municipal Bond Index (%) 3.98 3.81 3.74 4.14 6.44
Quarter EndAs of 03/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 04/03/1985
Fund without Sales Charge (%) (NAV) 4.43 3.63 3.00 3.80 5.53
Fund with Sales Charge (%) (POP) 4.43 3.63 3.00 3.80 5.53
Bloomberg Barclays Municipal Bond Index (%) 3.85 3.96 3.19 4.14 6.41

Calendar Year Returns

2019 2018 2017
Fund without Sales Charge (%) (NAV) 6.95 0.02 4.74
Fund with Sales Charge (%) (POP) 6.95 0.02 4.74
Bloomberg Barclays Municipal Bond Index (%) 7.54 1.28 5.45

Cumulative Total Returns [further-information] As of 03/31/2020

Month EndAs of 05/31/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 04/03/1985
Fund without Sales Charge (%) (NAV) 1.71 4.16 10.76 18.60 44.86 566.56
Fund with Sales Charge (%) (POP) 1.71 4.16 10.76 18.60 44.86 566.56
Bloomberg Barclays Municipal Bond Index (%) 1.24 3.98 11.87 20.17 49.98 796.27
Quarter EndAs of 03/31/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 04/03/1985
Fund without Sales Charge (%) (NAV) 0.25 4.43 11.28 15.90 45.16 556.96
Fund with Sales Charge (%) (POP) 0.25 4.43 11.28 15.90 45.16 556.96
Bloomberg Barclays Municipal Bond Index (%) -0.63 3.85 12.35 17.00 50.11 779.68

After-Tax Average Annual Total Returns [further-information] As of 03/31/2020

Month EndAs of 05/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 4.16 3.46 3.47 3.77
Fund without Sales Charge (%) (NAV) After Shares Sold 3.63 3.37 3.41 3.73
Fund with Sales Charge (%) (POP) Before Shares Sold 4.16 3.46 3.47 3.77
Fund with Sales Charge (%) (POP) After Shares Sold 3.63 3.37 3.41 3.73
Quarter EndAs of 03/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 4.43 3.63 3.00 3.79
Fund without Sales Charge (%) (NAV) After Shares Sold 3.88 3.51 3.05 3.76
Fund with Sales Charge (%) (POP) Before Shares Sold 4.43 3.63 3.00 3.79
Fund with Sales Charge (%) (POP) After Shares Sold 3.88 3.51 3.05 3.76

SALES CHARGE, EXPENSES & FEES As of 07/01/2019 (updated annually)

Gross Expense Ratio 0.59%
Net Expense Ratio [further-information] 0.57%
Max Initial Sales Charge 0.00%
CDSC

Volatility Measures [further-information] As of 05/31/2020 Updated Monthly, based on a 3-year period

Beta 1.00
Sharpe Ratio 0.45
Standard Deviation 3.94

Benchmarks

A benchmark is a comparable broad-based index that can be used to evaluate a fund's performance.

  • Bloomberg Barclays Municipal Bond Index