Average Annual Total Returns [further-information] As of 03/31/2019

Month EndAs of 05/31/2019 1 Yr 3 Yr 5 Yr 10 Yr Since Inception Inception 10/03/1988
Fund without Sales Charge (%) (NAV) 5.65 2.32 2.75 4.02 5.13
Fund with Sales Charge (%) (POP) 1.68 1.02 1.97 3.63 4.99
Bloomberg Barclays Municipal Bond Index (%) 6.40 2.97 3.58 4.58 5.85
Quarter EndAs of 03/31/2019 1 Yr 3 Yr 5 Yr 10 Yr Since Inception Inception 10/03/1988
Fund without Sales Charge (%) (NAV) 4.45 1.96 2.95 4.31 5.09
Fund with Sales Charge (%) (POP) 0.54 0.67 2.17 3.91 4.96
Bloomberg Barclays Municipal Bond Index (%) 5.38 2.71 3.73 4.72 5.82

Calendar Year Returns

2018
Fund without Sales Charge (%) (NAV) 1.15
Fund with Sales Charge (%) (POP) -3.15
Bloomberg Barclays Municipal Bond Index (%) 1.28

Cumulative Total Returns [further-information] As of 03/31/2019

Month EndAs of 05/31/2019 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 10/03/1988
Fund without Sales Charge (%) (NAV) 4.17 5.65 7.12 14.52 48.38 363.08
Fund with Sales Charge (%) (POP) 0.26 1.68 3.10 10.23 42.81 345.72
Bloomberg Barclays Municipal Bond Index (%) 4.71 6.40 9.16 19.25 56.53 471.49
Quarter EndAs of 03/31/2019 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 10/03/1988
Fund without Sales Charge (%) (NAV) 2.36 4.45 6.00 15.67 52.47 355.05
Fund with Sales Charge (%) (POP) -1.48 0.54 2.03 11.33 46.75 337.99
Bloomberg Barclays Municipal Bond Index (%) 2.90 5.38 8.35 20.12 58.55 461.61

After-Tax Average Annual Total Returns [further-information] As of 03/31/2019

Month EndAs of 05/31/2019 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 5.65 2.32 2.75 4.03
Fund without Sales Charge (%) (NAV) After Shares Sold 4.68 2.54 2.90 3.99
Fund with Sales Charge (%) (POP) Before Shares Sold 1.69 1.02 1.97 3.63
Fund with Sales Charge (%) (POP) After Shares Sold 2.28 1.53 2.28 3.66
Quarter EndAs of 03/31/2019 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 4.45 1.96 2.95 4.31
Fund without Sales Charge (%) (NAV) After Shares Sold 3.91 2.26 3.07 4.24
Fund with Sales Charge (%) (POP) Before Shares Sold 0.53 0.67 2.17 3.91
Fund with Sales Charge (%) (POP) After Shares Sold 1.54 1.26 2.45 3.91

SALES CHARGE, EXPENSES & FEES As of 09/10/2018 (updated annually)

Gross Expense Ratio 0.84%
Net Expense Ratio [further-information] 0.84%
Max Initial Sales Charge 3.75%
CDSC 0.75%

Volatility Measures [further-information] As of 05/31/2019 Updated Monthly, based on a 3-year period

Beta 0.79
Sharpe Ratio 0.35
Standard Deviation 2.90

Benchmarks

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

  • Bloomberg Barclays Municipal Bond Index

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