| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1.1%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 1 | One day or less | 45 |
51.1%
|
| 2 | 26 |
29.5%
|
|
| 3 | 5 |
5.7%
|
|
| 4 | 1 |
1.1%
|
|
| 5 | 2 |
2.3%
|
|
| 6 | 1 |
1.1%
|
|
| 7 | 3 |
3.4%
|
|
| 8 | 2 |
2.3%
|
|
| 10 | 1 |
1.1%
|
|
| 30 | 1 |
1.1%
|
|
| Sysmiss | 32 |