| BKTSX | VFFSX | BKTSX / VFFSX | |
| Total Expense Ratio | 0.03 | 0.01 | 300% |
| Annual Report Gross Expense Ratio | 0.03 | 0.01 | 300% |
| Fund Existence | 10 years | 9 years | - |
| Gain YTD | 17.007 | 16.668 | 102% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 4.35B | 1.46T | 0% |
| Annual Yield % from dividends | 1.19 | 1.13 | 105% |
| Returns for 1 year | 14.74 | 14.56 | 101% |
| Returns for 3 years | 75.36 | 71.84 | 105% |
| Returns for 5 years | 96.90 | 91.34 | 106% |
| Returns for 10 years | 277.34 | N/A | - |