| FIXIX | NTKLX | FIXIX / NTKLX | |
| Total Expense Ratio | 1.04 | 1.54 | 68% |
| Annual Report Gross Expense Ratio | 1.04 | 1.60 | 65% |
| Fund Existence | 23 years | 31 years | - |
| Gain YTD | 20.351 | 28.452 | 72% |
| Front Load | N/A | 6% | - |
| Min. Initial Investment | 0 | 1000 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 5.38B | 488M | 1,103% |
| Annual Yield % from dividends | 2.11 | 1.72 | 123% |
| Returns for 1 year | 20.31 | 27.82 | 73% |
| Returns for 3 years | 44.48 | 54.78 | 81% |
| Returns for 5 years | 31.79 | 32.44 | 98% |
| Returns for 10 years | 78.69 | 73.26 | 107% |