| 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 | 13.096 | 8.776 | 149% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000000 | 250 | 400,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 890M | 117B | 1% |
| Annual Yield % from dividends | 1.34 | 1.41 | 96% |
| Returns for 1 year | 10.86 | 5.11 | 213% |
| Returns for 3 years | 34.84 | 36.71 | 95% |
| Returns for 5 years | -25.32 | 37.76 | -67% |
| Returns for 10 years | 12.78 | 102.44 | 12% |