| BOSVX | DFFVX | BOSVX / DFFVX | |
| Total Expense Ratio | 0.47 | 0.29 | 162% |
| Annual Report Gross Expense Ratio | 0.64 | 0.30 | 213% |
| Fund Existence | 14 years | 26 years | - |
| Gain YTD | 10.720 | 8.680 | 123% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.24B | 14.9B | 8% |
| Annual Yield % from dividends | 1.42 | 1.58 | 90% |
| Returns for 1 year | 12.87 | 17.44 | 74% |
| Returns for 3 years | 8.22 | 37.63 | 22% |
| Returns for 5 years | 21.82 | 62.65 | 35% |
| Returns for 10 years | 82.01 | 141.58 | 58% |