| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 313288 |
97.3%
|
| 1 | 1-30 minutes | 6832 |
2.1%
|
| 2 | 31-60 minutes | 992 |
0.3%
|
| 3 | 61-90 minutes | 306 |
0.1%
|
| 4 | 91-120 minutes | 290 |
0.1%
|
| 5 | 121-150 minutes | 50 |
0%
|
| 6 | 151-180 minutes | 35 |
0%
|
| 7 | 181-210 minutes | 70 |
0%
|
| 8 | 211-240 minutes | 24 |
0%
|
| 9 | 241+ minutes | 52 |
0%
|
| 21 | 1 |
0%
|
|
| Sysmiss | 10998 |