| VTBIX | VTBNX | VTBIX / VTBNX | |
| Total Expense Ratio | 0.09 | 0.02 | 450% |
| Annual Report Gross Expense Ratio | 0.09 | 0.02 | 450% |
| Fund Existence | 17 years | 17 years | - |
| Gain YTD | 3.098 | 3.098 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 345B | 345B | 100% |
| Annual Yield % from dividends | 3.83 | 3.90 | 98% |
| Returns for 1 year | 2.44 | 2.44 | 100% |
| Returns for 3 years | 4.22 | 4.22 | 100% |
| Returns for 5 years | -15.90 | -15.90 | 100% |
| Returns for 10 years | -8.31 | -8.28 | 100% |