| MUBFX | RMFEX | MUBFX / RMFEX | |
| Total Expense Ratio | 0.70 | 0.62 | 113% |
| Annual Report Gross Expense Ratio | 0.77 | 0.62 | 124% |
| Fund Existence | 56 years | 24 years | - |
| Gain YTD | 12.684 | 9.694 | 131% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 250 | 400,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 903M | 118B | 1% |
| Annual Yield % from dividends | 1.37 | 1.41 | 97% |
| Returns for 1 year | 16.24 | 9.45 | 172% |
| Returns for 3 years | 30.25 | 34.42 | 88% |
| Returns for 5 years | -25.48 | 39.25 | -65% |
| Returns for 10 years | 11.77 | 100.56 | 12% |