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) 5.08 4.09 3.32 3.57 5.65
Fund with Sales Charge (%) (POP) 5.08 4.09 3.32 3.57 5.65
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) 5.10 3.88 2.88 3.55 5.62
Fund with Sales Charge (%) (POP) 5.10 3.88 2.88 3.55 5.62
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) 7.39 1.05 3.49
Fund with Sales Charge (%) (POP) 7.39 1.05 3.49
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) 2.33 5.08 12.79 17.72 41.99 589.56
Fund with Sales Charge (%) (POP) 2.33 5.08 12.79 17.72 41.99 589.56
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) 0.59 5.10 12.10 15.26 41.80 577.89
Fund with Sales Charge (%) (POP) 0.59 5.10 12.10 15.26 41.80 577.89
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 5.08 4.09 3.32 3.57
Fund without Sales Charge (%) (NAV) After Shares Sold 4.16 3.86 3.30 3.58
Fund with Sales Charge (%) (POP) Before Shares Sold 5.08 4.09 3.32 3.57
Fund with Sales Charge (%) (POP) After Shares Sold 4.16 3.86 3.30 3.58
Quarter EndAs of 03/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 5.10 3.88 2.88 3.55
Fund without Sales Charge (%) (NAV) After Shares Sold 4.25 3.71 2.97 3.58
Fund with Sales Charge (%) (POP) Before Shares Sold 5.10 3.88 2.88 3.55
Fund with Sales Charge (%) (POP) After Shares Sold 4.25 3.71 2.97 3.58

SALES CHARGE, EXPENSES & FEES As of 07/01/2020 (updated annually)

Gross Expense Ratio 0.55%
Net Expense Ratio [further-information] 0.53%
Max Initial Sales Charge 0.00%
CDSC

Volatility Measures [further-information] As of 06/30/2020 Updated Monthly, based on a 3-year period

Beta 0.87
Sharpe Ratio 0.78
Standard Deviation 3.42

Benchmarks

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

  • Bloomberg Barclays Municipal Bond Index