| NPFFX | RNPCX | NPFFX / RNPCX | |
| Total Expense Ratio | 0.78 | 1.06 | 74% |
| Annual Report Gross Expense Ratio | 0.78 | 1.06 | 74% |
| Fund Existence | 25 years | 23 years | - |
| Gain YTD | 15.844 | 15.565 | 102% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 158B | 158B | 100% |
| Annual Yield % from dividends | 0.43 | 0.21 | 205% |
| Returns for 1 year | 10.67 | 10.24 | 104% |
| Returns for 3 years | 44.99 | 43.81 | 103% |
| Returns for 5 years | 26.26 | 24.38 | 108% |
| Returns for 10 years | 87.60 | 84.21 | 104% |