| IIBTX | PDBZX | IIBTX / PDBZX | |
| Total Expense Ratio | 0.94 | 0.49 | 192% |
| Annual Report Gross Expense Ratio | 1.01 | 0.50 | 202% |
| Fund Existence | 17 years | 29 years | - |
| Gain YTD | 6.479 | 7.004 | 93% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 0 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 924M | 51.9B | 2% |
| Annual Yield % from dividends | 4.22 | 4.55 | 93% |
| Returns for 1 year | 6.35 | 6.85 | 93% |
| Returns for 3 years | 17.13 | 18.51 | 92% |
| Returns for 5 years | -4.19 | -0.75 | 558% |
| Returns for 10 years | 19.00 | 24.83 | 77% |