| NBPTX | RMFEX | NBPTX / RMFEX | |
| Total Expense Ratio | 0.95 | 0.62 | 153% |
| Annual Report Gross Expense Ratio | 0.95 | 0.62 | 153% |
| Fund Existence | 33 years | 24 years | - |
| Gain YTD | 17.920 | 5.987 | 299% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 9.9B | 115B | 9% |
| Annual Yield % from dividends | 1.11 | 1.45 | 77% |
| Returns for 1 year | 30.71 | 10.46 | 293% |
| Returns for 3 years | 51.84 | 35.96 | 144% |
| Returns for 5 years | 40.26 | 35.97 | 112% |
| Returns for 10 years | 151.88 | 99.50 | 153% |