| PRFDX | RMFEX | PRFDX / RMFEX | |
| Total Expense Ratio | 0.67 | 0.62 | 108% |
| Annual Report Gross Expense Ratio | 0.67 | 0.62 | 108% |
| Fund Existence | 40 years | 23 years | - |
| Gain YTD | 12.720 | 16.703 | 76% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 2500 | 250 | 1,000% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 16.2B | 112B | 14% |
| Annual Yield % from dividends | 1.61 | 1.43 | 113% |
| Returns for 1 year | 2.56 | 9.19 | 28% |
| Returns for 3 years | 16.67 | 31.21 | 53% |
| Returns for 5 years | 36.31 | 57.31 | 63% |
| Returns for 10 years | 61.92 | 105.64 | 59% |