| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
8.8%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 9 |
4.9%
|
| 1 | 20 |
11%
|
|
| 2 | 50 |
27.5%
|
|
| 3 | 29 |
15.9%
|
|
| 4 | 22 |
12.1%
|
|
| 5 | 7 |
3.8%
|
|
| 6 | 3 |
1.6%
|
|
| 7 | 10 |
5.5%
|
|
| 9 | 2 |
1.1%
|
|
| 10 | 7 |
3.8%
|
|
| 11 | 1 |
0.5%
|
|
| 14 | 4 |
2.2%
|
|
| 24 | 1 |
0.5%
|
|
| 25 | 1 |
0.5%
|
|
| Sysmiss | 463 |