| 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 | 1.815 | 10.992 | 17% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.17B | 14.1B | 8% |
| Annual Yield % from dividends | 1.57 | 1.65 | 95% |
| Returns for 1 year | 1.37 | 10.25 | 13% |
| Returns for 3 years | 8.22 | 43.33 | 19% |
| Returns for 5 years | 25.37 | 69.65 | 36% |
| Returns for 10 years | 43.52 | 99.61 | 44% |