| VBIRX | VBISX | VBIRX / VBISX | |
| Total Expense Ratio | 0.06 | 0.15 | 40% |
| Annual Report Gross Expense Ratio | 0.06 | 0.15 | 40% |
| Fund Existence | 25 years | 33 years | - |
| Gain YTD | -2.805 | -2.805 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 3000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 71B | 71B | 100% |
| Annual Yield % from dividends | 4.06 | 3.96 | 102% |
| Returns for 1 year | -2.80 | -2.80 | 100% |
| Returns for 3 years | 1.93 | 1.93 | 100% |
| Returns for 5 years | -6.63 | -6.64 | 100% |
| Returns for 10 years | -0.98 | -1.01 | 97% |