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) 5.10 3.98 3.77 4.05 5.79
Fund with Sales Charge (%) (POP) 5.10 3.98 3.77 4.05 5.79
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) 4.99 4.07 3.22 4.03 5.77
Fund with Sales Charge (%) (POP) 4.99 4.07 3.22 4.03 5.77
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) 6.86 0.87 4.75
Fund with Sales Charge (%) (POP) 6.86 0.87 4.75
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) 2.59 5.10 12.42 20.33 48.81 624.00
Fund with Sales Charge (%) (POP) 2.59 5.10 12.42 20.33 48.81 624.00
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) 0.79 4.99 12.72 17.19 48.39 611.30
Fund with Sales Charge (%) (POP) 0.79 4.99 12.72 17.19 48.39 611.30
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 5.10 3.98 3.77 4.05
Fund without Sales Charge (%) (NAV) After Shares Sold 4.23 3.77 3.64 3.96
Fund with Sales Charge (%) (POP) Before Shares Sold 5.10 3.98 3.77 4.05
Fund with Sales Charge (%) (POP) After Shares Sold 4.23 3.77 3.64 3.96
Quarter EndAs of 03/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 4.99 4.07 3.22 4.03
Fund without Sales Charge (%) (NAV) After Shares Sold 4.22 3.86 3.22 3.95
Fund with Sales Charge (%) (POP) Before Shares Sold 4.99 4.07 3.22 4.03
Fund with Sales Charge (%) (POP) After Shares Sold 4.22 3.86 3.22 3.95

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

Gross Expense Ratio 0.53%
Net Expense Ratio [further-information] 0.51%
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 0.80
Sharpe Ratio 0.72
Standard Deviation 3.20

Benchmarks

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

  • Bloomberg Barclays Municipal Bond Index