| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
7.5%
|
| -7 | Does not apply (spontaneous) | 1 |
0.5%
|
| 1 | One day or less | 108 |
58.1%
|
| 2 | 24 |
12.9%
|
|
| 3 | 6 |
3.2%
|
|
| 4 | 2 |
1.1%
|
|
| 5 | 2 |
1.1%
|
|
| 7 | 2 |
1.1%
|
|
| 10 | 6 |
3.2%
|
|
| 14 | 5 |
2.7%
|
|
| 15 | 1 |
0.5%
|
|
| 20 | 5 |
2.7%
|
|
| 30 | 6 |
3.2%
|
|
| 40 | 2 |
1.1%
|
|
| 50 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| Sysmiss | 395 |