| 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 | 6.822 | 6.091 | 112% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 818M | 166B | 0% |
| Annual Yield % from dividends | 0.07 | 0.33 | 23% |
| Returns for 1 year | 2.03 | 6.14 | 33% |
| Returns for 3 years | 51.69 | 34.42 | 150% |
| Returns for 5 years | -2.01 | 5.03 | -40% |
| Returns for 10 years | -22.51 | 94.27 | -24% |