| DFFVX | PZISX | DFFVX / PZISX | |
| Total Expense Ratio | 0.29 | 1.00 | 29% |
| Annual Report Gross Expense Ratio | 0.30 | 1.42 | 21% |
| Fund Existence | 27 years | 10 years | - |
| Gain YTD | 21.670 | 24.196 | 90% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 17.1B | 104M | 16,442% |
| Annual Yield % from dividends | 1.49 | 0.05 | 2,785% |
| Returns for 1 year | 29.71 | 18.47 | 161% |
| Returns for 3 years | 61.88 | 30.05 | 206% |
| Returns for 5 years | 60.33 | 22.15 | 272% |
| Returns for 10 years | 120.13 | 66.63 | 180% |