| NPFFX | RNPEX | NPFFX / RNPEX | |
| Total Expense Ratio | 0.77 | 0.75 | 103% |
| Annual Report Gross Expense Ratio | 0.77 | 0.75 | 103% |
| Fund Existence | 25 years | 24 years | - |
| Gain YTD | 6.715 | 6.724 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 170B | 170B | 100% |
| Annual Yield % from dividends | 0.92 | 0.94 | 99% |
| Returns for 1 year | 8.18 | 8.12 | 101% |
| Returns for 3 years | 39.48 | 39.35 | 100% |
| Returns for 5 years | 14.70 | 14.49 | 101% |
| Returns for 10 years | 111.81 | 110.97 | 101% |