| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 29 |
37.7%
|
| 1 | One hour or less | 4 |
5.2%
|
| 2 | 3 |
3.9%
|
|
| 3 | 4 |
5.2%
|
|
| 4 | 2 |
2.6%
|
|
| 5 | 2 |
2.6%
|
|
| 6 | 1 |
1.3%
|
|
| 7 | 3 |
3.9%
|
|
| 8 | 2 |
2.6%
|
|
| 10 | 3 |
3.9%
|
|
| 12 | 4 |
5.2%
|
|
| 14 | 1 |
1.3%
|
|
| 20 | 1 |
1.3%
|
|
| 22 | 1 |
1.3%
|
|
| 24 | 7 |
9.1%
|
|
| 30 | 2 |
2.6%
|
|
| 48 | 3 |
3.9%
|
|
| 70 | 1 |
1.3%
|
|
| 72 | 2 |
2.6%
|
|
| 120 | 2 |
2.6%
|
|
| Sysmiss | 73 |