| PGKZX | PRGTX | PGKZX / PRGTX | |
| Total Expense Ratio | 0.85 | 0.93 | 91% |
| Annual Report Gross Expense Ratio | 1.39 | 0.93 | 149% |
| Fund Existence | 8 years | 26 years | - |
| Gain YTD | 20.412 | 32.844 | 62% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 48.6M | 8.37B | 1% |
| Annual Yield % from dividends | 0.00 | 0.00 | - |
| Returns for 1 year | 18.99 | 41.08 | 46% |
| Returns for 3 years | 104.52 | 153.01 | 68% |
| Returns for 5 years | 63.67 | 5.79 | 1,100% |
| Returns for 10 years | N/A | 144.42 | - |