| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
13%
|
| 0 | Less than one day | 73 |
55.7%
|
| 1 | 9 |
6.9%
|
|
| 2 | 11 |
8.4%
|
|
| 3 | 3 |
2.3%
|
|
| 4 | 1 |
0.8%
|
|
| 5 | 4 |
3.1%
|
|
| 6 | 2 |
1.5%
|
|
| 7 | 2 |
1.5%
|
|
| 8 | 1 |
0.8%
|
|
| 9 | 1 |
0.8%
|
|
| 12 | 1 |
0.8%
|
|
| 14 | 1 |
0.8%
|
|
| 15 | 1 |
0.8%
|
|
| 24 | 1 |
0.8%
|
|
| 30 | 1 |
0.8%
|
|
| 90 | 1 |
0.8%
|
|
| 168 | 1 |
0.8%
|
|
| Sysmiss | 700 |