| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
24.5%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | One day or less | 8 |
8.2%
|
| 2 | 6 |
6.1%
|
|
| 3 | 2 |
2%
|
|
| 4 | 3 |
3.1%
|
|
| 5 | 5 |
5.1%
|
|
| 7 | 7 |
7.1%
|
|
| 10 | 7 |
7.1%
|
|
| 14 | 4 |
4.1%
|
|
| 15 | 3 |
3.1%
|
|
| 16 | 2 |
2%
|
|
| 20 | 2 |
2%
|
|
| 21 | 5 |
5.1%
|
|
| 23 | 2 |
2%
|
|
| 25 | 5 |
5.1%
|
|
| 28 | 7 |
7.1%
|
|
| 30 | 5 |
5.1%
|
|
| 31 | 1 |
1%
|
|
| Sysmiss | 1225 |