| IZ | $sigma sub 4$ |
|---|---|
| sigma | |
| 1.0 | 44.008 |
| 2.0 | 44.039 |
| 3.0 | 44.368 |
| 4.0 | 44.595 |
| 5.0 | 44.715 |
| 6.0 | 45.003 |
| 7.0 | 45.03 |
| 8.0 | 45.197 |
| 9.0 | 45.23 |
| 10.0 | 45.28 |
| 11.0 | 45.314 |
| 12.0 | 45.353 |
| 13.0 | 45.375 |
| 14.0 | 45.397 |
| 15.0 | 45.413 |
| 16.0 | 45.429 |
| 17.0 | 45.44 |
| 18.0 | 45.466 |
| 19.0 | 45.491 |
| 20.0 | 45.507 |
| 21.0 | 45.518 |
| 22.0 | 45.536 |
| 23.0 | 45.547 |
| 24.0 | 45.548 |
| 25.0 | 45.569 |
| 26.0 | 45.59 |
| 27.0 | 45.599 |
| 28.0 | 45.628 |
| 29.0 | 45.666 |
| 30.0 | 45.695 |
| 31.0 | 45.732 |
| 32.0 | 45.778 |
| 33.0 | 46.012 |