| 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 | 20.449 | 20.415 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 250 | 250 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 165B | 165B | 100% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 13.49 | 13.44 | 100% |
| Returns for 3 years | 47.67 | 47.56 | 100% |
| Returns for 5 years | 28.64 | 28.51 | 100% |
| Returns for 10 years | 91.17 | 91.03 | 100% |