| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 2 |
0.1%
|
| 1 | WITHIN 5 MINUTES | 391 |
20.5%
|
| 2 | 6 TO 30 MINUTES | 706 |
37.1%
|
| 3 | 31 TO 60 MINUTES | 467 |
24.5%
|
| 4 | MORE THAN 60 MINUTES | 337 |
17.7%
|
| Sysmiss | 8774 |