| 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 | 26 years | - |
| Gain YTD | 8.045 | 6.030 | 133% |
| 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 | 0.33 | 75% |
| Returns for 1 year | 0.60 | 2.83 | 21% |
| Returns for 3 years | 57.13 | 35.62 | 160% |
| Returns for 5 years | 2.38 | 6.04 | 39% |
| Returns for 10 years | 44.71 | 98.13 | 46% |