| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 312730 |
97.1%
|
| 1 | 1-30 minutes | 6629 |
2.1%
|
| 2 | 31-60 minutes | 1589 |
0.5%
|
| 3 | 61-90 minutes | 494 |
0.2%
|
| 4 | 91-120 minutes | 286 |
0.1%
|
| 5 | 121-150 minutes | 61 |
0%
|
| 6 | 151-180 minutes | 38 |
0%
|
| 7 | 181-210 minutes | 71 |
0%
|
| 8 | 211-240 minutes | 15 |
0%
|
| 9 | 241+ minutes | 27 |
0%
|
| Sysmiss | 10998 |