| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2%
|
| -7 | Does not apply (spontaneous) | 81 |
40.3%
|
| 0 | Less than one day | 11 |
5.5%
|
| 1 | 21 |
10.4%
|
|
| 2 | 25 |
12.4%
|
|
| 3 | 17 |
8.5%
|
|
| 4 | 4 |
2%
|
|
| 5 | 6 |
3%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 13 |
6.5%
|
|
| 10 | 1 |
0.5%
|
|
| 13 | 1 |
0.5%
|
|
| 14 | 5 |
2.5%
|
|
| 15 | 1 |
0.5%
|
|
| 21 | 1 |
0.5%
|
|
| 28 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| 40 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 60 | 4 |
2%
|
|
| Sysmiss | 201 |