| DFFVX | ROFIX | DFFVX / ROFIX | |
| Total Expense Ratio | 0.29 | 1.12 | 26% |
| Annual Report Gross Expense Ratio | 0.30 | 1.12 | 27% |
| Fund Existence | 26 years | 24 years | - |
| Gain YTD | 2.050 | 2.888 | 71% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 13.1B | 1.01B | 1,293% |
| Annual Yield % from dividends | 1.72 | 0.00 | - |
| Returns for 1 year | -1.67 | -3.30 | 51% |
| Returns for 3 years | 22.17 | 10.40 | 213% |
| Returns for 5 years | 68.92 | 15.05 | 458% |
| Returns for 10 years | 69.76 | 32.73 | 213% |