| Value | Category | Cases | |
|---|---|---|---|
| 1 | 6 days | 72 |
7.6%
|
| 2 | 5 one-half days | 7 |
0.7%
|
| 3 | 5 days | 820 |
86.1%
|
| 4 | 4 one-half days | 38 |
4%
|
| 5 | 4 days | 12 |
1.3%
|
| 6 | Other | 3 |
0.3%
|
| Sysmiss | 48 |