| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
8.1%
|
| 0 | Less than one day | 0 |
0%
|
| 2 | 2 |
5.4%
|
|
| 4 | 1 |
2.7%
|
|
| 5 | 1 |
2.7%
|
|
| 7 | 1 |
2.7%
|
|
| 10 | 2 |
5.4%
|
|
| 12 | 1 |
2.7%
|
|
| 14 | 4 |
10.8%
|
|
| 15 | 1 |
2.7%
|
|
| 19 | 1 |
2.7%
|
|
| 21 | 3 |
8.1%
|
|
| 30 | 2 |
5.4%
|
|
| 31 | 1 |
2.7%
|
|
| 37 | 1 |
2.7%
|
|
| 38 | 1 |
2.7%
|
|
| 39 | 1 |
2.7%
|
|
| 45 | 2 |
5.4%
|
|
| 60 | 3 |
8.1%
|
|
| 67 | 1 |
2.7%
|
|
| 70 | 1 |
2.7%
|
|
| 82 | 1 |
2.7%
|
|
| 90 | 2 |
5.4%
|
|
| 93 | 1 |
2.7%
|
|
| Sysmiss | 74 |