| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 72 |
26.7%
|
| -7 | Does not apply | 37 |
13.7%
|
| 1 | One day or less | 78 |
28.9%
|
| 2 | 23 |
8.5%
|
|
| 3 | 21 |
7.8%
|
|
| 4 | 4 |
1.5%
|
|
| 5 | 8 |
3%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 12 |
4.4%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 2 |
0.7%
|
|
| 21 | 2 |
0.7%
|
|
| 30 | 5 |
1.9%
|
|
| 38 | 1 |
0.4%
|
|
| 40 | 1 |
0.4%
|
|
| 60 | 1 |
0.4%
|
|
| 120 | 1 |
0.4%
|
|
| Sysmiss | 1099 |