| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
12%
|
| 0 | Less than one day | 3 |
3%
|
| 1 | 7 |
7%
|
|
| 2 | 9 |
9%
|
|
| 3 | 12 |
12%
|
|
| 4 | 9 |
9%
|
|
| 5 | 6 |
6%
|
|
| 6 | 1 |
1%
|
|
| 7 | 13 |
13%
|
|
| 8 | 2 |
2%
|
|
| 9 | 1 |
1%
|
|
| 10 | 1 |
1%
|
|
| 12 | 1 |
1%
|
|
| 14 | 14 |
14%
|
|
| 15 | 1 |
1%
|
|
| 21 | 1 |
1%
|
|
| 24 | 1 |
1%
|
|
| 30 | 1 |
1%
|
|
| 32 | 1 |
1%
|
|
| 35 | 1 |
1%
|
|
| 45 | 2 |
2%
|
|
| 120 | 1 |
1%
|
|
| Sysmiss | 207 |