| PGKZX | PRGTX | PGKZX / PRGTX | |
| Total Expense Ratio | 0.85 | 0.92 | 92% |
| Annual Report Gross Expense Ratio | 1.45 | 0.92 | 158% |
| Fund Existence | 7 years | 25 years | - |
| Gain YTD | 20.214 | 29.626 | 68% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 41.5M | 5.84B | 1% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 15.49 | 28.64 | 54% |
| Returns for 3 years | 150.58 | 139.72 | 108% |
| Returns for 5 years | 80.99 | 9.08 | 892% |
| Returns for 10 years | N/A | 88.96 | - |