| NPFCX | RNPBX | NPFCX / RNPBX | |
| Total Expense Ratio | 1.48 | 1.50 | 99% |
| Annual Report Gross Expense Ratio | 1.48 | 1.50 | 99% |
| Fund Existence | 25 years | 24 years | - |
| Gain YTD | 15.855 | 15.838 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 160B | 160B | 100% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 11.06 | 11.04 | 100% |
| Returns for 3 years | 43.28 | 43.19 | 100% |
| Returns for 5 years | 21.99 | 21.88 | 100% |
| Returns for 10 years | 78.60 | 78.50 | 100% |