| NBGUX | RGEBX | NBGUX / RGEBX | |
| Total Expense Ratio | 1.40 | 1.08 | 130% |
| Annual Report Gross Expense Ratio | 1.40 | 1.08 | 130% |
| Fund Existence | 30 years | 12 years | - |
| Gain YTD | 5.942 | 6.888 | 86% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 250 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.63B | 357B | 1% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 0.38 | 3.42 | 11% |
| Returns for 3 years | 28.79 | 36.26 | 79% |
| Returns for 5 years | 10.04 | 12.32 | 81% |
| Returns for 10 years | 77.46 | 93.96 | 82% |