| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
8.8%
|
| -7 | Does not apply | 3 |
1.3%
|
| 1 | One day or less | 114 |
50.2%
|
| 2 | 27 |
11.9%
|
|
| 3 | 14 |
6.2%
|
|
| 4 | 6 |
2.6%
|
|
| 5 | 11 |
4.8%
|
|
| 7 | 8 |
3.5%
|
|
| 8 | 1 |
0.4%
|
|
| 10 | 6 |
2.6%
|
|
| 12 | 1 |
0.4%
|
|
| 14 | 3 |
1.3%
|
|
| 15 | 2 |
0.9%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 4 |
1.8%
|
|
| 24 | 1 |
0.4%
|
|
| 30 | 2 |
0.9%
|
|
| 45 | 1 |
0.4%
|
|
| 60 | 2 |
0.9%
|
|
| Sysmiss | 859 |