| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
15.3%
|
| -7 | Does not apply (spontaneous) | 2 |
3.4%
|
| 0 | Less than one day | 3 |
5.1%
|
| 3 | 1 |
1.7%
|
|
| 4 | 1 |
1.7%
|
|
| 5 | 1 |
1.7%
|
|
| 7 | 4 |
6.8%
|
|
| 15 | 16 |
27.1%
|
|
| 28 | 1 |
1.7%
|
|
| 30 | 8 |
13.6%
|
|
| 45 | 1 |
1.7%
|
|
| 60 | 3 |
5.1%
|
|
| 67 | 1 |
1.7%
|
|
| 72 | 1 |
1.7%
|
|
| 78 | 1 |
1.7%
|
|
| 90 | 4 |
6.8%
|
|
| 92 | 1 |
1.7%
|
|
| 130 | 1 |
1.7%
|
|
| Sysmiss | 343 |