| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
10.9%
|
| -7 | Does not apply (spontaneous) | 2 |
4.3%
|
| 0 | Less than one day | 6 |
13%
|
| 2 | 5 |
10.9%
|
|
| 3 | 4 |
8.7%
|
|
| 4 | 2 |
4.3%
|
|
| 5 | 5 |
10.9%
|
|
| 7 | 6 |
13%
|
|
| 10 | 3 |
6.5%
|
|
| 14 | 3 |
6.5%
|
|
| 30 | 2 |
4.3%
|
|
| 35 | 1 |
2.2%
|
|
| 40 | 1 |
2.2%
|
|
| 45 | 1 |
2.2%
|
|
| Sysmiss | 667 |