| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
15.9%
|
| 1 | Less than one day | 10 |
11.4%
|
| 3 | 1 |
1.1%
|
|
| 7 | 4 |
4.5%
|
|
| 15 | 5 |
5.7%
|
|
| 21 | 1 |
1.1%
|
|
| 25 | 3 |
3.4%
|
|
| 30 | 19 |
21.6%
|
|
| 40 | 1 |
1.1%
|
|
| 60 | 10 |
11.4%
|
|
| 90 | 9 |
10.2%
|
|
| 120 | 2 |
2.3%
|
|
| 180 | 5 |
5.7%
|
|
| 182 | 1 |
1.1%
|
|
| 240 | 1 |
1.1%
|
|
| 360 | 1 |
1.1%
|
|
| 365 | 1 |
1.1%
|
|
| Sysmiss | 914 |