| IZ | $sigma sub 4$ |
|---|---|
| sigma | |
| 1.0 | 43.938 |
| 2.0 | 43.942 |
| 3.0 | 43.945 |
| 4.0 | 43.946 |
| 5.0 | 43.949 |
| 6.0 | 43.959 |
| 7.0 | 44.043 |
| 8.0 | 44.604 |
| 9.0 | 44.651 |
| 10.0 | 44.696 |
| 11.0 | 44.783 |
| 12.0 | 44.867 |
| 13.0 | 45.05 |
| 14.0 | 45.246 |
| 15.0 | 45.386 |
| 16.0 | 45.507 |
| 17.0 | 45.546 |
| 18.0 | 45.566 |
| 19.0 | 45.569 |
| 20.0 | 45.593 |
| 21.0 | 45.707 |
| 22.0 | 45.8 |