| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.6%
|
| -7 | Does not apply (spontaneous) | 17 |
9.1%
|
| 1 | One day or less | 80 |
42.8%
|
| 2 | 39 |
20.9%
|
|
| 3 | 20 |
10.7%
|
|
| 4 | 4 |
2.1%
|
|
| 5 | 8 |
4.3%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 4 |
2.1%
|
|
| 8 | 1 |
0.5%
|
|
| 10 | 4 |
2.1%
|
|
| 14 | 3 |
1.6%
|
|
| 15 | 2 |
1.1%
|
|
| 48 | 1 |
0.5%
|
|
| Sysmiss | 217 |