| OAKIX | PZINX | OAKIX / PZINX | |
| Total Expense Ratio | 1.05 | 0.74 | 142% |
| Annual Report Gross Expense Ratio | 1.05 | 0.99 | 106% |
| Fund Existence | 33 years | 4 years | - |
| Gain YTD | 23.790 | 31.746 | 75% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 14.4B | 123M | 11,707% |
| Annual Yield % from dividends | 1.94 | 2.47 | 79% |
| Returns for 1 year | 23.81 | 25.60 | 93% |
| Returns for 3 years | 37.91 | 62.16 | 61% |
| Returns for 5 years | 37.14 | N/A | - |
| Returns for 10 years | 45.38 | N/A | - |