| PNGYX | TRTIX | PNGYX / TRTIX | |
| Total Expense Ratio | 0.77 | 0.68 | 113% |
| Annual Report Gross Expense Ratio | 0.93 | 0.68 | 137% |
| Fund Existence | 26 years | 11 years | - |
| Gain YTD | 11.047 | 12.962 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 500000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.23B | 17B | 7% |
| Annual Yield % from dividends | 1.89 | 2.52 | 75% |
| Returns for 1 year | 20.56 | 28.51 | 72% |
| Returns for 3 years | 60.80 | 83.95 | 72% |
| Returns for 5 years | 67.43 | 94.24 | 72% |
| Returns for 10 years | 131.87 | 158.80 | 83% |