| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 |
6.9%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 29 |
14.3%
|
| 1 | 35 |
17.2%
|
|
| 2 | 27 |
13.3%
|
|
| 3 | 18 |
8.9%
|
|
| 4 | 8 |
3.9%
|
|
| 5 | 6 |
3%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 7 |
3.4%
|
|
| 8 | 1 |
0.5%
|
|
| 10 | 5 |
2.5%
|
|
| 14 | 10 |
4.9%
|
|
| 15 | 6 |
3%
|
|
| 20 | 8 |
3.9%
|
|
| 21 | 3 |
1.5%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 30 | 5 |
2.5%
|
|
| 40 | 3 |
1.5%
|
|
| 45 | 4 |
2%
|
|
| 50 | 1 |
0.5%
|
|
| 55 | 1 |
0.5%
|
|
| 60 | 4 |
2%
|
|
| 65 | 1 |
0.5%
|
|
| 70 | 1 |
0.5%
|
|
| 90 | 2 |
1%
|
|
| Sysmiss | 389 |