| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | Less than one day | 0 |
0%
|
| 15 | 3 |
3.4%
|
|
| 16 | 1 |
1.1%
|
|
| 20 | 1 |
1.1%
|
|
| 30 | 1 |
1.1%
|
|
| 40 | 3 |
3.4%
|
|
| 45 | 6 |
6.9%
|
|
| 48 | 8 |
9.2%
|
|
| 50 | 13 |
14.9%
|
|
| 55 | 8 |
9.2%
|
|
| 56 | 6 |
6.9%
|
|
| 57 | 1 |
1.1%
|
|
| 58 | 1 |
1.1%
|
|
| 60 | 26 |
29.9%
|
|
| 65 | 4 |
4.6%
|
|
| 70 | 3 |
3.4%
|
|
| 90 | 2 |
2.3%
|
|
| Sysmiss | 1235 |