| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 days | 889 |
49.1%
|
| 2 | 1 to 2 | 250 |
13.8%
|
| 3 | 3 to 4 | 86 |
4.7%
|
| 4 | 5 to 6 | 47 |
2.6%
|
| 5 | 7 days | 48 |
2.7%
|
| 6 | many times | 491 |
27.1%
|
| Sysmiss | 34 |