| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
13.3%
|
| 1 | One hour or less | 0 |
0%
|
| 7 | 1 |
2.2%
|
|
| 8 | 2 |
4.4%
|
|
| 24 | 1 |
2.2%
|
|
| 26 | 1 |
2.2%
|
|
| 30 | 4 |
8.9%
|
|
| 35 | 1 |
2.2%
|
|
| 44 | 1 |
2.2%
|
|
| 45 | 3 |
6.7%
|
|
| 48 | 1 |
2.2%
|
|
| 50 | 4 |
8.9%
|
|
| 60 | 4 |
8.9%
|
|
| 70 | 1 |
2.2%
|
|
| 72 | 6 |
13.3%
|
|
| 96 | 1 |
2.2%
|
|
| 104 | 1 |
2.2%
|
|
| 120 | 2 |
4.4%
|
|
| 156 | 2 |
4.4%
|
|
| 200 | 1 |
2.2%
|
|
| 208 | 1 |
2.2%
|
|
| 640 | 1 |
2.2%
|
|
| Sysmiss | 103 |