| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
2.7%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 1 |
2.7%
|
| 2 | 3 |
8.1%
|
|
| 5 | 4 |
10.8%
|
|
| 7 | 1 |
2.7%
|
|
| 8 | 1 |
2.7%
|
|
| 10 | 5 |
13.5%
|
|
| 14 | 4 |
10.8%
|
|
| 20 | 1 |
2.7%
|
|
| 21 | 1 |
2.7%
|
|
| 30 | 6 |
16.2%
|
|
| 31 | 1 |
2.7%
|
|
| 35 | 1 |
2.7%
|
|
| 45 | 1 |
2.7%
|
|
| 60 | 1 |
2.7%
|
|
| 80 | 1 |
2.7%
|
|
| 90 | 4 |
10.8%
|
|
| Sysmiss | 74 |