| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 278289 |
86.4%
|
| 1 | 1-30 minutes | 40543 |
12.6%
|
| 2 | 31-60 minutes | 2496 |
0.8%
|
| 3 | 61-90 minutes | 222 |
0.1%
|
| 4 | 91-120 minutes | 160 |
0%
|
| 5 | 121-150 minutes | 41 |
0%
|
| 6 | 151-180 minutes | 30 |
0%
|
| 7 | 181-210 minutes | 109 |
0%
|
| 8 | 211-240 minutes | 34 |
0%
|
| 9 | 241+ minutes | 15 |
0%
|
| 21 | 1 |
0%
|
|
| Sysmiss | 10998 |