| 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 | 19.908 | 18.359 | 108% |
| 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 | 0.00 | - |
| Returns for 1 year | 16.25 | 10.43 | 156% |
| Returns for 3 years | 71.49 | 41.03 | 174% |
| Returns for 5 years | 21.82 | 19.80 | 110% |
| Returns for 10 years | 39.86 | 82.56 | 48% |