| BTIRX | VFFSX | BTIRX / VFFSX | |
| Total Expense Ratio | 0.20 | 0.01 | 2,000% |
| Annual Report Gross Expense Ratio | 0.23 | 0.01 | 2,300% |
| Fund Existence | 9 years | 10 years | - |
| Gain YTD | 11.476 | 11.210 | 102% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 5000000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 448M | 1.6T | 0% |
| Annual Yield % from dividends | 1.00 | 1.04 | 96% |
| Returns for 1 year | 15.47 | 28.07 | 55% |
| Returns for 3 years | 10.72 | 77.67 | 14% |
| Returns for 5 years | -9.56 | 81.48 | -12% |
| Returns for 10 years | N/A | 263.64 | - |