| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
7.1%
|
| -7 | Does not apply | 70 |
38%
|
| 1 | One day or less | 52 |
28.3%
|
| 2 | 14 |
7.6%
|
|
| 3 | 11 |
6%
|
|
| 4 | 6 |
3.3%
|
|
| 5 | 4 |
2.2%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 4 |
2.2%
|
|
| 8 | 1 |
0.5%
|
|
| 10 | 3 |
1.6%
|
|
| 20 | 1 |
0.5%
|
|
| 30 | 2 |
1.1%
|
|
| 45 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| Sysmiss | 416 |