Average Annual Total Returns [further-information] As of 12/31/2019

Month EndAs of 12/31/2019 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 10/03/1988
Fund without Sales Charge (%) (NAV) 6.39 3.57 2.61 3.64 5.15
Fund with Sales Charge (%) (POP) 6.39 3.57 2.61 3.64 5.15
Bloomberg Barclays Municipal Bond Index (%) 7.54 4.73 3.53 4.34 5.83
Quarter EndAs of 12/31/2019 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 10/03/1988
Fund without Sales Charge (%) (NAV) 6.39 3.57 2.61 3.64 5.15
Fund with Sales Charge (%) (POP) 6.39 3.57 2.61 3.64 5.15
Bloomberg Barclays Municipal Bond Index (%) 7.54 4.73 3.53 4.34 5.83

Calendar Year Returns

2019 2018 2017 2016 2015 2014 2013 2012 2011 2010
Fund without Sales Charge (%) (NAV) 6.39 1.30 3.06 1.24 1.16 10.53 -5.78 6.38 11.02 2.17
Fund with Sales Charge (%) (POP) 6.39 1.30 3.06 1.24 1.16 10.53 -5.78 6.38 11.02 2.17
Bloomberg Barclays Municipal Bond Index (%) 7.54 1.28 5.45 0.25 3.30 9.05 -2.55 6.78 10.70 2.38

Cumulative Total Returns [further-information] As of 12/31/2019

Month EndAs of 12/31/2019 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 10/03/1988
Fund without Sales Charge (%) (NAV) 6.39 6.39 11.08 13.77 42.98 380.63
Fund with Sales Charge (%) (POP) 6.39 6.39 11.08 13.77 42.98 380.63
Bloomberg Barclays Municipal Bond Index (%) 7.54 7.54 14.85 18.93 52.95 486.92
Quarter EndAs of 12/31/2019 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 10/03/1988
Fund without Sales Charge (%) (NAV) 6.39 6.39 11.08 13.77 42.98 380.63
Fund with Sales Charge (%) (POP) 6.39 6.39 11.08 13.77 42.98 380.63
Bloomberg Barclays Municipal Bond Index (%) 7.54 7.54 14.85 18.93 52.95 486.92

After-Tax Average Annual Total Returns [further-information] As of 12/31/2019

Month EndAs of 12/31/2019 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 6.39 3.57 2.61 3.64
Fund without Sales Charge (%) (NAV) After Shares Sold 5.13 3.50 2.79 3.67
Fund with Sales Charge (%) (POP) Before Shares Sold 6.39 3.57 2.61 3.64
Fund with Sales Charge (%) (POP) After Shares Sold 5.13 3.50 2.79 3.67
Quarter EndAs of 12/31/2019 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold 6.39 3.57 2.61 3.64
Fund without Sales Charge (%) (NAV) After Shares Sold 5.13 3.50 2.79 3.67
Fund with Sales Charge (%) (POP) Before Shares Sold 6.39 3.57 2.61 3.64
Fund with Sales Charge (%) (POP) After Shares Sold 5.13 3.50 2.79 3.67

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

Gross Expense Ratio 0.63%
Net Expense Ratio [further-information] 0.63%
Max Initial Sales Charge 0.00%
CDSC

Volatility Measures [further-information] As of 12/31/2019 Updated Monthly, based on a 3-year period

Sharpe Ratio 0.91
Standard Deviation 2.12

Benchmarks

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

  • Bloomberg Barclays Municipal Bond Index