| VBTIX | VBTLX | VBTIX / VBTLX | |
| Total Expense Ratio | 0.03 | 0.04 | 63% |
| Annual Report Gross Expense Ratio | 0.03 | 0.04 | 63% |
| Fund Existence | 30 years | 24 years | - |
| Gain YTD | 3.270 | 3.605 | 91% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 3000 | 166,667% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 384B | 384B | 100% |
| Annual Yield % from dividends | 3.84 | 3.83 | 100% |
| Returns for 1 year | 3.27 | 3.60 | 91% |
| Returns for 3 years | 3.05 | 3.39 | 90% |
| Returns for 5 years | -15.41 | -15.14 | 102% |
| Returns for 10 years | -6.59 | -6.29 | 105% |