| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 3 |
1.8%
|
| 0 | Less than one day | 17 |
10.4%
|
| 1 | 25 |
15.3%
|
|
| 2 | 53 |
32.5%
|
|
| 3 | 25 |
15.3%
|
|
| 4 | 16 |
9.8%
|
|
| 5 | 8 |
4.9%
|
|
| 6 | 1 |
0.6%
|
|
| 7 | 6 |
3.7%
|
|
| 8 | 1 |
0.6%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 4 |
2.5%
|
|
| 14 | 2 |
1.2%
|
|
| 21 | 1 |
0.6%
|
|
| Sysmiss | 198 |