| 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 | 11.787 | 17.346 | 68% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.51B | 47B | 16% |
| Annual Yield % from dividends | 0.09 | 0.31 | 28% |
| Returns for 1 year | -5.67 | 26.83 | -21% |
| Returns for 3 years | -2.69 | 51.09 | -5% |
| Returns for 5 years | -21.13 | 27.48 | -77% |
| Returns for 10 years | 8.36 | 180.44 | 5% |