| NPFFX | RNPCX | NPFFX / RNPCX | |
| Total Expense Ratio | 0.77 | 1.05 | 73% |
| Annual Report Gross Expense Ratio | 0.77 | 1.05 | 73% |
| Fund Existence | 25 years | 24 years | - |
| Gain YTD | 3.958 | 3.787 | 105% |
| 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 | 0.70 | 132% |
| Returns for 1 year | 5.26 | 4.82 | 109% |
| Returns for 3 years | 31.70 | 30.15 | 105% |
| Returns for 5 years | 11.17 | 9.34 | 120% |
| Returns for 10 years | 102.42 | 97.97 | 105% |