| NBSSX | NPFFX | NBSSX / NPFFX | |
| Total Expense Ratio | 0.91 | 0.78 | 117% |
| Annual Report Gross Expense Ratio | 0.91 | 0.78 | 117% |
| Fund Existence | 70 years | 25 years | - |
| Gain YTD | 11.320 | 14.529 | 78% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 814M | 163B | 0% |
| Annual Yield % from dividends | 0.10 | 0.44 | 22% |
| Returns for 1 year | 8.95 | 11.97 | 75% |
| Returns for 3 years | 67.66 | 52.87 | 128% |
| Returns for 5 years | 16.29 | 21.18 | 77% |
| Returns for 10 years | 37.72 | 96.98 | 39% |