| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 311590 |
96.8%
|
| 1 | 1-30 minutes | 7874 |
2.4%
|
| 2 | 31-60 minutes | 1406 |
0.4%
|
| 3 | 61-90 minutes | 365 |
0.1%
|
| 4 | 91-120 minutes | 302 |
0.1%
|
| 5 | 121-150 minutes | 52 |
0%
|
| 6 | 151-180 minutes | 57 |
0%
|
| 7 | 181-210 minutes | 100 |
0%
|
| 8 | 211-240 minutes | 44 |
0%
|
| 9 | 241+ minutes | 150 |
0%
|
| Sysmiss | 10998 |