| PGKZX | PRGTX | PGKZX / PRGTX | |
| Total Expense Ratio | 0.85 | 0.92 | 92% |
| Annual Report Gross Expense Ratio | 1.45 | 0.92 | 158% |
| Fund Existence | 8 years | 25 years | - |
| Gain YTD | -3.723 | 0.791 | -471% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 39M | 5.66B | 1% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 5.85 | 30.66 | 19% |
| Returns for 3 years | 105.83 | 123.00 | 86% |
| Returns for 5 years | 36.54 | -10.86 | -336% |
| Returns for 10 years | N/A | 143.49 | - |