| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 292247 |
90.8%
|
| 1 | 1-30 minutes | 25338 |
7.9%
|
| 2 | 31-60 minutes | 3453 |
1.1%
|
| 3 | 61-90 minutes | 377 |
0.1%
|
| 4 | 91-120 minutes | 214 |
0.1%
|
| 5 | 121-150 minutes | 24 |
0%
|
| 6 | 151-180 minutes | 51 |
0%
|
| 7 | 181-210 minutes | 175 |
0.1%
|
| 8 | 211-240 minutes | 31 |
0%
|
| 9 | 241+ minutes | 28 |
0%
|
| 22 | 2 |
0%
|
|
| Sysmiss | 10998 |