| 1 | KY | Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2020A | Unknown | 1.15% |
| 2 | DC | DIST OF COLUMBIA REVENUE | Unknown | 0.63% |
| 3 | ND | GRAND FORKS ND HLTH CARE SYS R | Unknown | 0.47% |
| 4 | OR | OREGON ST BUSINESS DEV COMMISS | Mining, Quarrying, and Oil and Gas Extraction | 0.47% |
| 5 | SC | SOUTH CAROLINA ST PORTS AUTH P | Finance and Insurance | 0.39% |
| 6 | DE | Delaware Health Facilities Authroity, Revenue Bonds, Beebe Medical Center Project, Series 2018 | Manufacturing | 0.38% |
| 7 | NE | OMAHA NE PUBLIC PWR DIST ELEC | Energy | 0.37% |
| 8 | NY | NEW YORK ST DORM AUTH ST PERSO | Unknown | 0.28% |
| 9 | MA | MASSACHUSETTS ST DEV FIN AGY R | Information | 0.27% |
| 10 | TN | TENNESSEE ST ENERGY ACQUISITIO | Unknown | 0.26% |
