| NBGEX | VISGX | NBGEX / VISGX | |
| Total Expense Ratio | 1.09 | 0.19 | 574% |
| Annual Report Gross Expense Ratio | 1.09 | 0.19 | 574% |
| Fund Existence | 33 years | 28 years | - |
| Gain YTD | 6.475 | 17.759 | 36% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.32B | 42.8B | 17% |
| Annual Yield % from dividends | 0.09 | 0.34 | 26% |
| Returns for 1 year | -5.96 | 34.40 | -17% |
| Returns for 3 years | -1.49 | 61.44 | -2% |
| Returns for 5 years | -24.29 | 30.62 | -79% |
| Returns for 10 years | 5.31 | 190.06 | 3% |