| NBFAX | NPFCX | NBFAX / NPFCX | |
| Total Expense Ratio | 1.33 | 1.47 | 90% |
| Annual Report Gross Expense Ratio | 1.33 | 1.47 | 90% |
| Fund Existence | 30 years | 25 years | - |
| Gain YTD | 7.983 | 5.098 | 157% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 840M | 172B | 0% |
| Annual Yield % from dividends | 0.07 | 0.33 | 23% |
| Returns for 1 year | 10.47 | 10.53 | 99% |
| Returns for 3 years | 53.40 | 33.27 | 161% |
| Returns for 5 years | 10.09 | 11.72 | 86% |
| Returns for 10 years | -17.47 | 105.42 | -17% |