| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 2 |
5.3%
|
| 1 | less than one minute | 4 |
10.5%
|
| 10 | 2 |
5.3%
|
|
| 20 | 1 |
2.6%
|
|
| 24 | 1 |
2.6%
|
|
| 30 | 3 |
7.9%
|
|
| 60 | 7 |
18.4%
|
|
| 65 | 2 |
5.3%
|
|
| 90 | 1 |
2.6%
|
|
| 120 | 3 |
7.9%
|
|
| 180 | 8 |
21.1%
|
|
| 200 | 1 |
2.6%
|
|
| 600 | 1 |
2.6%
|
|
| 900 | 1 |
2.6%
|
|
| 2880 | 1 |
2.6%
|
|
| Sysmiss | 1048 |