| 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 | 19.908 | 19.123 | 104% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 812M | 163B | 0% |
| Annual Yield % from dividends | 0.10 | 0.44 | 22% |
| Returns for 1 year | 16.25 | 11.50 | 141% |
| Returns for 3 years | 71.49 | 43.99 | 163% |
| Returns for 5 years | 21.82 | 24.59 | 89% |
| Returns for 10 years | 39.86 | 92.01 | 43% |