| NPFFX | RNPEX | NPFFX / RNPEX | |
| Total Expense Ratio | 0.78 | 0.76 | 103% |
| Annual Report Gross Expense Ratio | 0.78 | 0.76 | 103% |
| Fund Existence | 25 years | 23 years | - |
| Gain YTD | 16.575 | 16.582 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 160B | 159B | 101% |
| Annual Yield % from dividends | 0.43 | 0.46 | 95% |
| Returns for 1 year | 12.15 | 12.11 | 100% |
| Returns for 3 years | 46.29 | 46.17 | 100% |
| Returns for 5 years | 26.86 | 26.64 | 101% |
| Returns for 10 years | 87.86 | 87.22 | 101% |