| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 2 |
0.1%
|
| 1 | WITHIN 5 MINUTES | 143 |
6.1%
|
| 2 | 6 TO 30 MINUTES | 599 |
25.7%
|
| 3 | 31 TO 60 MINUTES | 632 |
27.1%
|
| 4 | MORE THAN 60 MINUTES | 956 |
41%
|
| Sysmiss | 6824 |