| 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 | 5.481 | 3.343 | 164% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 820M | 170B | 0% |
| Annual Yield % from dividends | 0.07 | 0.33 | 22% |
| Returns for 1 year | 1.01 | 2.57 | 39% |
| Returns for 3 years | 47.44 | 29.03 | 163% |
| Returns for 5 years | 0.81 | 5.91 | 14% |
| Returns for 10 years | -22.70 | 93.05 | -24% |