| NBGNX | VISGX | NBGNX / VISGX | |
| Total Expense Ratio | 0.99 | 0.19 | 521% |
| Annual Report Gross Expense Ratio | 0.99 | 0.19 | 521% |
| Fund Existence | 38 years | 28 years | - |
| Gain YTD | 6.496 | 18.608 | 35% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 1000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 7.32B | 42.8B | 17% |
| Annual Yield % from dividends | 0.22 | 0.34 | 63% |
| Returns for 1 year | -5.81 | 33.54 | -17% |
| Returns for 3 years | -1.14 | 62.61 | -2% |
| Returns for 5 years | -23.82 | 30.40 | -78% |
| Returns for 10 years | 1.22 | 192.15 | 1% |