| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
27.5%
|
| 1 | One hour or less | 0 |
0%
|
| 12 | 2 |
5%
|
|
| 20 | 2 |
5%
|
|
| 25 | 2 |
5%
|
|
| 30 | 2 |
5%
|
|
| 32 | 1 |
2.5%
|
|
| 36 | 3 |
7.5%
|
|
| 48 | 1 |
2.5%
|
|
| 60 | 3 |
7.5%
|
|
| 70 | 1 |
2.5%
|
|
| 96 | 1 |
2.5%
|
|
| 100 | 10 |
25%
|
|
| 106 | 1 |
2.5%
|
|
| Sysmiss | 63 |