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 09/01/1987
Fund without Sales Charge (%) (NAV) 2.30 2.87 2.73 3.47 5.32
Fund with Sales Charge (%) (POP) -1.54 1.57 1.95 3.08 5.19
Bloomberg Barclays Municipal Bond Index (%) 3.98 3.81 3.74 4.14 5.87
Quarter EndAs of 03/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 09/01/1987
Fund without Sales Charge (%) (NAV) 4.59 3.54 2.71 3.68 5.36
Fund with Sales Charge (%) (POP) 0.67 2.22 1.93 3.29 5.23
Bloomberg Barclays Municipal Bond Index (%) 3.85 3.96 3.19 4.14 5.85

Calendar Year Returns

2019 2018
Fund without Sales Charge (%) (NAV) 6.64 1.08
Fund with Sales Charge (%) (POP) 2.64 -2.71
Bloomberg Barclays Municipal Bond Index (%) 7.54 1.28

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 09/01/1987
Fund without Sales Charge (%) (NAV) 0.26 2.30 8.85 14.44 40.69 445.38
Fund with Sales Charge (%) (POP) -3.50 -1.54 4.77 10.14 35.41 424.93
Bloomberg Barclays Municipal Bond Index (%) 1.24 3.98 11.87 20.17 49.98 548.50
Quarter EndAs of 03/31/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 09/01/1987
Fund without Sales Charge (%) (NAV) 0.64 4.59 10.99 14.30 43.60 447.44
Fund with Sales Charge (%) (POP) -3.13 0.67 6.82 10.02 38.21 426.91
Bloomberg Barclays Municipal Bond Index (%) -0.63 3.85 12.35 17.00 50.11 536.49

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 2.30 2.87 2.73 3.47
Fund without Sales Charge (%) (NAV) After Shares Sold 2.45 2.90 2.85 3.52
Fund with Sales Charge (%) (POP) Before Shares Sold -1.54 1.57 1.95 3.08
Fund with Sales Charge (%) (POP) After Shares Sold 0.14 1.89 2.23 3.19
Quarter EndAs of 03/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 4.59 3.54 2.71 3.68
Fund without Sales Charge (%) (NAV) After Shares Sold 3.89 3.43 2.84 3.69
Fund with Sales Charge (%) (POP) Before Shares Sold 0.67 2.23 1.93 3.29
Fund with Sales Charge (%) (POP) After Shares Sold 1.53 2.41 2.22 3.36

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

Gross Expense Ratio 0.86%
Net Expense Ratio [further-information] 0.86%
Max Initial Sales Charge 3.75%
CDSC 1.00%

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

Beta 0.81
Sharpe Ratio 0.36
Standard Deviation 3.35

Benchmarks

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

  • Bloomberg Barclays Municipal Bond Index