| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 0 |
0%
|
| 0 | Less than one day | 11 |
16.2%
|
| 1 | 1 |
1.5%
|
|
| 2 | 3 |
4.4%
|
|
| 3 | 4 |
5.9%
|
|
| 4 | 2 |
2.9%
|
|
| 5 | 4 |
5.9%
|
|
| 6 | 1 |
1.5%
|
|
| 7 | 3 |
4.4%
|
|
| 10 | 4 |
5.9%
|
|
| 14 | 5 |
7.4%
|
|
| 15 | 1 |
1.5%
|
|
| 21 | 2 |
2.9%
|
|
| 24 | 1 |
1.5%
|
|
| 30 | 14 |
20.6%
|
|
| 31 | 1 |
1.5%
|
|
| 35 | 3 |
4.4%
|
|
| 40 | 1 |
1.5%
|
|
| 45 | 1 |
1.5%
|
|
| 60 | 4 |
5.9%
|
|
| 74 | 1 |
1.5%
|
|
| 168 | 1 |
1.5%
|
|
| Sysmiss | 297 |