| PNRZX | PRNEX | PNRZX / PRNEX | |
| Total Expense Ratio | 0.92 | 0.77 | 119% |
| Annual Report Gross Expense Ratio | 0.92 | 0.77 | 119% |
| Fund Existence | 29 years | 57 years | - |
| Gain YTD | 26.728 | 15.716 | 170% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 2500 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 719M | 2.46B | 29% |
| Annual Yield % from dividends | 0.99 | 1.81 | 55% |
| Returns for 1 year | 19.40 | 4.42 | 439% |
| Returns for 3 years | 16.64 | 7.61 | 219% |
| Returns for 5 years | 124.88 | 53.40 | 234% |
| Returns for 10 years | 130.24 | 67.92 | 192% |