| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 minutes or less | 1974 |
23.3%
|
| 2 | More than 15 to 30 minutes | 1423 |
16.8%
|
| 3 | More than 30 minutes to an hour | 1223 |
14.4%
|
| 4 | More than an hour | 2436 |
28.7%
|
| 5 | Don't know | 1423 |
16.8%
|
| Sysmiss | 92 |