| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 2 |
0.2%
|
| 1 | WITHIN 5 MINUTES | 410 |
31.4%
|
| 2 | 6 TO 30 MINUTES | 427 |
32.7%
|
| 3 | 31 TO 60 MINUTES | 238 |
18.2%
|
| 4 | MORE THAN 60 MINUTES | 229 |
17.5%
|
| Sysmiss | 5005 |