| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.9%
|
| -7 | Does not apply (spontaneous) | 27 |
12.2%
|
| 0 | Less than one day | 63 |
28.4%
|
| 1 | 18 |
8.1%
|
|
| 2 | 12 |
5.4%
|
|
| 3 | 25 |
11.3%
|
|
| 4 | 11 |
5%
|
|
| 5 | 18 |
8.1%
|
|
| 6 | 3 |
1.4%
|
|
| 7 | 7 |
3.2%
|
|
| 8 | 5 |
2.3%
|
|
| 10 | 5 |
2.3%
|
|
| 11 | 1 |
0.5%
|
|
| 14 | 2 |
0.9%
|
|
| 15 | 5 |
2.3%
|
|
| 20 | 7 |
3.2%
|
|
| 30 | 7 |
3.2%
|
|
| 40 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| 70 | 1 |
0.5%
|
|
| Sysmiss | 785 |