| NBSSX | NPFCX | NBSSX / NPFCX | |
| Total Expense Ratio | 0.91 | 1.48 | 61% |
| Annual Report Gross Expense Ratio | 0.91 | 1.48 | 61% |
| Fund Existence | 70 years | 25 years | - |
| Gain YTD | 18.789 | 15.734 | 119% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 250 | 400% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 807M | 159B | 1% |
| Annual Yield % from dividends | 0.09 | 0.00 | - |
| Returns for 1 year | 17.87 | 10.60 | 169% |
| Returns for 3 years | 75.55 | 43.13 | 175% |
| Returns for 5 years | 21.77 | 22.04 | 99% |
| Returns for 10 years | 39.39 | 78.42 | 50% |