| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 226247 |
70.3%
|
| 1 | 1-30 minutes | 84175 |
26.1%
|
| 2 | 31-60 minutes | 9423 |
2.9%
|
| 3 | 61-90 minutes | 1017 |
0.3%
|
| 4 | 91-120 minutes | 449 |
0.1%
|
| 5 | 121-150 minutes | 128 |
0%
|
| 6 | 151-180 minutes | 68 |
0%
|
| 7 | 181-210 minutes | 259 |
0.1%
|
| 8 | 211-240 minutes | 87 |
0%
|
| 9 | 241+ minutes | 87 |
0%
|
| Sysmiss | 10998 |