| NIO US | NUVEEN INSD MUNI OPPORTUNITY | UNITED STATES | 2428785 | 4.80 |
| NUV US | NUVEEN MUNICIPAL VALUE FUND | UNITED STATES | 2651934 | 4.75 |
| NPM US | NUVEEN PREMIUM INC MUNI FD 2 | UNITED STATES | 2526612 | 3.52 |
| MYI US | BLACKROCK MUNIYIELD QUALITY | UNITED STATES | 2495659 | 3.04 |
| NPI US | NUVEEN PREMIUM INC MUNI FUND | UNITED STATES | 2428815 | 2.80 |
| NPP US | NUVEEN PERFORMANCE PLUS MUNI | UNITED STATES | 2428826 | 2.78 |
| NQU US | NUVEEN QUALITY INCOME MUNI | UNITED STATES | 2633471 | 2.67 |
| EIM US | EATON VANCE MUNICIPAL BOND F | UNITED STATES | 2979119 | 2.62 |
| NMA US | NUVEEN MUNI ADVANTAGE FUND | UNITED STATES | 2652023 | 1.97 |
| NMO US | NUVEEN MUNI MKT OPPORTUNITY | UNITED STATES | 2428837 | 1.95 |
| NAD US | NUVEEN DVD ADVANTAGE MUNI FD | UNITED STATES | 2532233 | 1.91 |
| VGM US | INVESCO VAN KAMPEN TRUST FOR | UNITED STATES | 2612328 | 1.91 |
| MUI US | BLACKROCK MUNI INTERM DURATI | UNITED STATES | 2931487 | 1.89 |
| PMO US | PUTNAM MUNI OPPORTUNITIES TR | UNITED STATES | 2609148 | 1.78 |
| NPX US | NUVEEN INSD PREM INC MUNI II | UNITED STATES | 2610214 | 1.76 |
| NPT US | NUVEEN PREMIUM INC MUNI FD 4 | UNITED STATES | 2610151 | 1.75 |
| NQM US | NUVEEN INV QUALITY MUNI FD | UNITED STATES | 2652120 | 1.69 |
| MFL US | BLACKROCK MUNIHOLDINGS QUALI | UNITED STATES | 2609784 | 1.59 |
| MVF US | BLACKROCK MUNIVEST FUND | UNITED STATES | 2610526 | 1.56 |
| MYD US | BLACKROCK MUNIYIELD FUND | UNITED STATES | 2538703 | 1.55 |
| NVG US | NUVEEN INSD DVD ADV MUNI FD | UNITED STATES | 2865768 | 1.51 |
| MUA US | BLACKROCK MUNIASSETS FUND | UNITED STATES | 2610377 | 1.48 |
| BFK US | BLACKROCK MUNICIPAL INC TRST | UNITED STATES | 2784034 | 1.45 |
| PML US | PIMCO MUNICIPAL INCOME FD II | UNITED STATES | 2963037 | 1.44 |
| NXZ US | NUVEEN DVD ADV MUNI FD 2 | UNITED STATES | 2157131 | 1.44 |
| NQI US | NUVEEN INSD QUALITY MUNI FD | UNITED STATES | 2651763 | 1.41 |
| MMU US | WESTERN ASSET MANAGED MUNICI | UNITED STATES | 2531995 | 1.39 |
| MQY US | BLACKROCK MUNIYIELD QUALITY | UNITED STATES | 2610300 | 1.37 |
| VKI US | INVESCO VAN KAMPEN AD MIT II | UNITED STATES | 2616591 | 1.34 |
| VKQ US | INVESCO VAN KAMPEN MUNICIPAL | UNITED STATES | 2612384 | 1.31 |
| KTF US | DWS MUNICIPAL INCOME TRUST | UNITED STATES | 2487786 | 1.27 |
| AFB US | ALLIANCE NATIONAL MUNI INC | UNITED STATES | 2842783 | 1.26 |
| NQS US | NUVEEN SELECT QUALTY MUNI FD | UNITED STATES | 2532299 | 1.25 |
| BYM US | BLACKROCK MUNICIPAL INCOME Q | UNITED STATES | 2047179 | 1.19 |
| NEA US | NUVEEN INS T/F ADV MUNICIPAL | UNITED STATES | 2109046 | 1.10 |
| PMM US | PUTNAM MANAGED MUNI INCM TRS | UNITED STATES | 2709651 | 1.06 |
| LEO US | DREYFUS STRATEGIC MUNICIPALS | UNITED STATES | 2281074 | 1.03 |
| VMO US | INVESCO VAN KAMPEN MUNICIPAL | UNITED STATES | 2611659 | 1.01 |
| DSM US | DREYFUS STRATEGIC MUNI BD FD | UNITED STATES | 2609234 | 1.00 |
| MEN US | BLACKROCK MUNIENHANCED FUND | UNITED STATES | 2610474 | 0.99 |
| NPF US | NUVEEN PREMIER MUNI INC FD | UNITED STATES | 2610117 | 0.98 |
| BKK US | BLACKROCK MUNI 2020 TERM TRS | UNITED STATES | 2843593 | 0.96 |
| IQI US | INVESCO QUALITY MUNI INC TR | UNITED STATES | 2439000 | 0.95 |
| NIF US | NUVEEN PREMIER INSD MUNI INC | UNITED STATES | 2609665 | 0.94 |
| MUE US | BLACKROCK MUNIHOLDINGS QU II | UNITED STATES | 2610548 | 0.90 |
| MQT US | BLACKROCK MUNIYIELD QUAL II | UNITED STATES | 2610281 | 0.88 |
| BLE US | BLACKROCK MUN INC TRUST II | UNITED STATES | 2971795 | 0.84 |
| IIM US | INVESCO INSURED MUNICIPAL IN | UNITED STATES | 2610957 | 0.83 |
| NMZ US | NUVEEN MUNI HIGH INCM OPPORT | UNITED STATES | 2176181 | 0.79 |
| MTT US | WESTERN ASSET MUNCIPAL DEFIN | UNITED STATES | B3LTPK1 | 0.78 |
| NXQ US | NUVEEN SELECT TAX-FREE INC 2 | UNITED STATES | 2612340 | 0.72 |
| NBH US | NEUBERGER BERMAN INTMD MUNI | UNITED STATES | 2001346 | 0.71 |
| MHI US | PIONEER MUNI HI INCOME TRUST | UNITED STATES | 2918587 | 0.67 |
| IQM US | INVESCO QUALITY MUNI SECS | UNITED STATES | 2611660 | 0.67 |
| IMT US | INVESCO INSURED MUNICIPAL TR | UNITED STATES | 2476342 | 0.67 |
| MVT US | BLACKROCK MUNIVEST FUND II | UNITED STATES | 2610764 | 0.66 |
| IQT US | INVESCO QUALITY MUNI INV TR | UNITED STATES | 2611734 | 0.65 |
| NMD US | NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND 2 | UNITED STATES | B2987D0 | 0.61 |
| PMX US | PIMCO MUNI INCOME FUND III | UNITED STATES | 2047618 | 0.60 |
| MFM US | MFS MUNICIPAL INCOME TRUST | UNITED STATES | 2548434 | 0.60 |
| PMF US | PIMCO MUNICIPAL INCOME FUND | UNITED STATES | 2181107 | 0.58 |
| NXP US | NUVEEN SELECT TAX-FREE INCOM | UNITED STATES | 2611712 | 0.58 |
| MYF US | BLACKROCK MUNIYIELD INVESTME | UNITED STATES | 2609289 | 0.57 |
| CXE US | MFS HIGH INCOME MUNICIPAL TR | UNITED STATES | 2210487 | 0.56 |
| MAV US | PIONEER MUNI HI INC ADV TRST | UNITED STATES | 2019855 | 0.55 |
| NXR US | NUVEEN SELECT T/F INC III | UNITED STATES | 2612395 | 0.55 |
| MUS US | BLACKROCK MUNIHOLDINGS QUALI | UNITED STATES | 2610753 | 0.55 |
| BPK US | BLACKROCK MUNICIPAL 2018 TRM | UNITED STATES | 2813284 | 0.55 |
| MHD US | BLACKROCK MUNIHOLDINGS FUND | UNITED STATES | 2609869 | 0.54 |
| BKN US | BLACKROCK INVT QUALITY MUNI | UNITED STATES | 2538640 | 0.53 |
| MUH US | BLACKROCK MUNIHOLDINGS FD II | UNITED STATES | 2610731 | 0.50 |
| MHF US | WESTERN ASSET MUNICIPAL HIGH | UNITED STATES | 2609966 | 0.49 |
| DMF US | DREYFUS MUNICIPAL INCOME INC | UNITED STATES | 2280899 | 0.49 |
| PIA US | INVESCO MUNICIPAL PREMIUM IN | UNITED STATES | 2020727 | 0.48 |
| OIA US | INVESCO MUNICIPAL INCOME OPP | UNITED STATES | 2020932 | 0.48 |
| EVN US | EATON VANCE MUNICIPAL INCOME | UNITED STATES | 2609847 | 0.48 |
| NUW US | NUVEEN MUNICIPAL VALUE FD 2 | UNITED STATES | B3X5N69 | 0.46 |
| VKL US | INVESCO VAN KAMPEN S S MN TR | UNITED STATES | 2616643 | 0.46 |
| OIB US | INVESCO MUNICIPAL INC OPP II | UNITED STATES | 2020716 | 0.45 |
| BTA US | BLACKROCK LNG-TM MUN ADV TST | UNITED STATES | B0ZKLK1 | 0.43 |
| BBK US | BLACKROCK MUNI BOND TRUST | UNITED STATES | 2888873 | 0.38 |
| NIM US | NUVEEN SELECT MAT MUNI FD | UNITED STATES | 2609687 | 0.31 |