| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refuse | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | None | 921 |
2.3%
|
| 1 | 30 minutes or less | 17014 |
42.7%
|
| 2 | Up to 1 hour | 17351 |
43.5%
|
| 3 | Up to 2 hours | 3063 |
7.7%
|
| 4 | Up to 3 hours | 881 |
2.2%
|
| 5 | More than 3 hours | 643 |
1.6%
|
| Sysmiss | 2547 |