| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 2 |
3.2%
|
| 1 | 4 |
6.5%
|
|
| 2 | 10 |
16.1%
|
|
| 3 | 7 |
11.3%
|
|
| 4 | 2 |
3.2%
|
|
| 5 | 1 |
1.6%
|
|
| 7 | 7 |
11.3%
|
|
| 10 | 6 |
9.7%
|
|
| 12 | 1 |
1.6%
|
|
| 14 | 4 |
6.5%
|
|
| 15 | 4 |
6.5%
|
|
| 20 | 3 |
4.8%
|
|
| 30 | 6 |
9.7%
|
|
| 45 | 2 |
3.2%
|
|
| 60 | 2 |
3.2%
|
|
| 90 | 1 |
1.6%
|
|
| Sysmiss | 302 |