| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 0 |
0%
|
| 3 | 1 |
2.5%
|
|
| 6 | 1 |
2.5%
|
|
| 7 | 3 |
7.5%
|
|
| 8 | 1 |
2.5%
|
|
| 10 | 4 |
10%
|
|
| 12 | 1 |
2.5%
|
|
| 15 | 7 |
17.5%
|
|
| 16 | 3 |
7.5%
|
|
| 17 | 1 |
2.5%
|
|
| 20 | 9 |
22.5%
|
|
| 25 | 4 |
10%
|
|
| 26 | 1 |
2.5%
|
|
| 27 | 1 |
2.5%
|
|
| 28 | 1 |
2.5%
|
|
| 30 | 2 |
5%
|
|
| Sysmiss | 1282 |