| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 24 |
14.9%
|
| 0 | Less than one day | 40 |
24.8%
|
| 1 | 33 |
20.5%
|
|
| 2 | 20 |
12.4%
|
|
| 3 | 12 |
7.5%
|
|
| 4 | 6 |
3.7%
|
|
| 5 | 10 |
6.2%
|
|
| 6 | 2 |
1.2%
|
|
| 7 | 5 |
3.1%
|
|
| 8 | 1 |
0.6%
|
|
| 10 | 3 |
1.9%
|
|
| 12 | 1 |
0.6%
|
|
| 15 | 1 |
0.6%
|
|
| 16 | 1 |
0.6%
|
|
| 20 | 1 |
0.6%
|
|
| 25 | 1 |
0.6%
|
|
| Sysmiss | 437 |