| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 85 |
40.3%
|
| -7 | Does not apply (spontaneous) | 11 |
5.2%
|
| 1 | One day or less | 29 |
13.7%
|
| 2 | 11 |
5.2%
|
|
| 3 | 10 |
4.7%
|
|
| 4 | 4 |
1.9%
|
|
| 5 | 11 |
5.2%
|
|
| 6 | 7 |
3.3%
|
|
| 7 | 9 |
4.3%
|
|
| 8 | 1 |
0.5%
|
|
| 10 | 12 |
5.7%
|
|
| 15 | 2 |
0.9%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 6 |
2.8%
|
|
| 25 | 2 |
0.9%
|
|
| 30 | 8 |
3.8%
|
|
| 60 | 2 |
0.9%
|
|
| Sysmiss | 885 |