| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
3.4%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 2 |
3.4%
|
| 2 | 3 |
5.2%
|
|
| 3 | 1 |
1.7%
|
|
| 5 | 13 |
22.4%
|
|
| 6 | 1 |
1.7%
|
|
| 7 | 8 |
13.8%
|
|
| 8 | 1 |
1.7%
|
|
| 9 | 1 |
1.7%
|
|
| 10 | 1 |
1.7%
|
|
| 14 | 10 |
17.2%
|
|
| 15 | 1 |
1.7%
|
|
| 20 | 3 |
5.2%
|
|
| 21 | 4 |
6.9%
|
|
| 28 | 1 |
1.7%
|
|
| 30 | 2 |
3.4%
|
|
| 42 | 1 |
1.7%
|
|
| 45 | 1 |
1.7%
|
|
| 60 | 1 |
1.7%
|
|
| 90 | 1 |
1.7%
|
|
| Sysmiss | 157 |