| NBGUX | RGABX | NBGUX / RGABX | |
| Total Expense Ratio | 1.40 | 1.38 | 101% |
| Annual Report Gross Expense Ratio | 1.40 | 1.38 | 101% |
| Fund Existence | 30 years | 24 years | - |
| Gain YTD | 5.942 | 6.715 | 88% |
| 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 | 2.20 | 17% |
| Returns for 3 years | 28.79 | 32.48 | 89% |
| Returns for 5 years | 10.04 | 7.85 | 128% |
| Returns for 10 years | 77.46 | 83.21 | 93% |