| NBGAX | VISGX | NBGAX / VISGX | |
| Total Expense Ratio | 1.34 | 0.19 | 705% |
| Annual Report Gross Expense Ratio | 1.34 | 0.19 | 705% |
| Fund Existence | 29 years | 28 years | - |
| Gain YTD | 5.378 | 2.545 | 211% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 3000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 8.59B | 39.3B | 22% |
| Annual Yield % from dividends | 0.00 | 0.41 | - |
| Returns for 1 year | -13.70 | 6.30 | -217% |
| Returns for 3 years | -8.58 | 35.00 | -25% |
| Returns for 5 years | -26.08 | 6.20 | -421% |
| Returns for 10 years | 7.55 | 199.75 | 4% |