| PDBZX | PTRAX | PDBZX / PTRAX | |
| Total Expense Ratio | 0.49 | 0.78 | 63% |
| Annual Report Gross Expense Ratio | 0.50 | 0.78 | 64% |
| Fund Existence | 30 years | 32 years | - |
| Gain YTD | -0.764 | -0.521 | 147% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | N/A | 1000000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 52.9B | 47.7B | 111% |
| Annual Yield % from dividends | 4.03 | 4.45 | 91% |
| Returns for 1 year | 2.81 | 3.96 | 71% |
| Returns for 3 years | 15.11 | 15.81 | 96% |
| Returns for 5 years | -1.53 | 0.02 | -7,449% |
| Returns for 10 years | 16.33 | 15.82 | 103% |