| FIXIX | NTKLX | FIXIX / NTKLX | |
| Total Expense Ratio | 0.95 | 1.53 | 62% |
| Annual Report Gross Expense Ratio | 0.95 | 1.55 | 61% |
| Fund Existence | 23 years | 32 years | - |
| Gain YTD | 5.556 | 9.087 | 61% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 5.21B | 580M | 898% |
| Annual Yield % from dividends | 3.14 | 1.35 | 232% |
| Returns for 1 year | 12.11 | 13.26 | 91% |
| Returns for 3 years | 38.01 | 52.18 | 73% |
| Returns for 5 years | 25.51 | 22.41 | 114% |
| Returns for 10 years | 83.00 | 91.27 | 91% |