| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 283962 |
88.2%
|
| 1 | 1-30 minutes | 26689 |
8.3%
|
| 2 | 31-60 minutes | 8296 |
2.6%
|
| 3 | 61-90 minutes | 1490 |
0.5%
|
| 4 | 91-120 minutes | 805 |
0.3%
|
| 5 | 121-150 minutes | 185 |
0.1%
|
| 6 | 151-180 minutes | 110 |
0%
|
| 7 | 181-210 minutes | 226 |
0.1%
|
| 8 | 211-240 minutes | 70 |
0%
|
| 9 | 241+ minutes | 80 |
0%
|
| 12 | 10 |
0%
|
|
| 21 | 10 |
0%
|
|
| 28 | 7 |
0%
|
|
| Sysmiss | 10998 |