| 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 | 22.573 | 21.169 | 107% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 833M | 165B | 1% |
| Annual Yield % from dividends | 0.09 | 0.43 | 22% |
| Returns for 1 year | 20.22 | 14.58 | 139% |
| Returns for 3 years | 79.75 | 50.75 | 157% |
| Returns for 5 years | 25.65 | 33.79 | 76% |
| Returns for 10 years | 48.56 | 101.06 | 48% |