| NBSSX | NPFCX | NBSSX / NPFCX | |
| Total Expense Ratio | 0.90 | 1.47 | 61% |
| Annual Report Gross Expense Ratio | 0.90 | 1.47 | 61% |
| Fund Existence | 71 years | 25 years | - |
| Gain YTD | 8.135 | 7.617 | 107% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 828M | 166B | 0% |
| Annual Yield % from dividends | 0.25 | 0.33 | 74% |
| Returns for 1 year | 4.41 | 7.64 | 58% |
| Returns for 3 years | 59.24 | 39.60 | 150% |
| Returns for 5 years | 4.03 | 10.82 | 37% |
| Returns for 10 years | 42.27 | 96.85 | 44% |