| NBGNX | VEXPX | NBGNX / VEXPX | |
| Total Expense Ratio | 0.99 | 0.44 | 225% |
| Annual Report Gross Expense Ratio | 0.99 | 0.44 | 225% |
| Fund Existence | 37 years | 58 years | - |
| Gain YTD | 5.395 | 4.085 | 132% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 3000 | 33% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.49B | 20.2B | 42% |
| Annual Yield % from dividends | 0.22 | 0.41 | 53% |
| Returns for 1 year | -13.03 | 0.69 | -1,885% |
| Returns for 3 years | -7.11 | 13.47 | -53% |
| Returns for 5 years | -24.13 | -12.99 | 186% |
| Returns for 10 years | 17.02 | 72.10 | 24% |