| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
5.7%
|
| -7 | Does not apply (spontaneous) | 4 |
2.5%
|
| 1 | One day or less | 53 |
33.8%
|
| 2 | 37 |
23.6%
|
|
| 3 | 15 |
9.6%
|
|
| 4 | 7 |
4.5%
|
|
| 5 | 5 |
3.2%
|
|
| 6 | 3 |
1.9%
|
|
| 7 | 12 |
7.6%
|
|
| 10 | 2 |
1.3%
|
|
| 15 | 3 |
1.9%
|
|
| 17 | 1 |
0.6%
|
|
| 20 | 3 |
1.9%
|
|
| 25 | 1 |
0.6%
|
|
| 30 | 1 |
0.6%
|
|
| 60 | 1 |
0.6%
|
|
| Sysmiss | 1506 |