| DFFVX | PZISX | DFFVX / PZISX | |
| Total Expense Ratio | 0.29 | 1.00 | 29% |
| Annual Report Gross Expense Ratio | 0.30 | 1.39 | 22% |
| Fund Existence | 26 years | 10 years | - |
| Gain YTD | 2.139 | -10.849 | -20% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 13.1B | 70M | 18,714% |
| Annual Yield % from dividends | 1.72 | 1.69 | 102% |
| Returns for 1 year | -1.70 | -19.18 | 9% |
| Returns for 3 years | 22.27 | -11.29 | -197% |
| Returns for 5 years | 68.21 | 20.95 | 326% |
| Returns for 10 years | 69.90 | N/A | - |