| NBSSX | NPFFX | NBSSX / NPFFX | |
| Total Expense Ratio | 0.90 | 0.77 | 117% |
| Annual Report Gross Expense Ratio | 0.90 | 0.77 | 117% |
| Fund Existence | 71 years | 26 years | - |
| Gain YTD | 8.045 | 6.544 | 123% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 820M | 169B | 0% |
| Annual Yield % from dividends | 0.25 | 0.92 | 27% |
| Returns for 1 year | 0.60 | 3.93 | 15% |
| Returns for 3 years | 57.13 | 39.74 | 144% |
| Returns for 5 years | 2.38 | 10.57 | 22% |
| Returns for 10 years | 44.71 | 110.13 | 41% |