| NPRTX | RMFEX | NPRTX / RMFEX | |
| Total Expense Ratio | 0.75 | 0.62 | 121% |
| Annual Report Gross Expense Ratio | 0.75 | 0.62 | 121% |
| Fund Existence | 52 years | 24 years | - |
| Gain YTD | 20.633 | 9.694 | 213% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 10.2B | 118B | 9% |
| Annual Yield % from dividends | 1.27 | 1.41 | 90% |
| Returns for 1 year | 29.33 | 9.45 | 310% |
| Returns for 3 years | 50.90 | 34.42 | 148% |
| Returns for 5 years | 51.61 | 39.25 | 131% |
| Returns for 10 years | 158.79 | 100.56 | 158% |